Multipurpose personal cover

Information

  • Patent Grant
  • 6393637
  • Patent Number
    6,393,637
  • Date Filed
    Tuesday, March 7, 2000
    25 years ago
  • Date Issued
    Tuesday, May 28, 2002
    22 years ago
  • Inventors
  • Examiners
    • Santos; Robert G.
    Agents
    • Adams; Thomas L.
Abstract
A multipurpose article can provide a sleeping bag and personal cover. The article includes a planar flexible body having a peripheral fastener arranged to hold the flexible body in a folded condition to form a sleeping bag. The flexible body has an opening sized to permit passage of a person's head through the flexible body, so the flexible body can be worn on the person's shoulders. The flexible body also has a pouch arranged to be inverted in order to store the flexible body in a gathered condition.
Description




BACKGROUND OF THE INVENTION




1. Field of the Invention




The present invention relates to personal covers, and in particular to covers that have multiple purposes.




2. Description of Related Art




Hikers, campers, and other persons engaged in outdoor activities, including attending sporting events, often carry a variety of articles that offer creature comfort or deal with inclement weather. Such people may carry a hooded poncho, sleeping bag, and seat cushion. A collection of these articles is relatively bulky, and the bulk may include a pack or bag to carry these articles.




In U.S. Pat. No. 5,588,749 a large sheet can be removed from a separate carrying case. In one configuration, a separate hood can be attached by a zipper to an edge of the sheet to make a hooded poncho that will be open in the front and therefore, not very weather tight. In another configuration the hood is not used and the sheet is folded in half and closed by a zipper to form a sleeping bag. Unfortunately, this arrangement has three distinct items that can be separated and lost.




In U.S. Pat. No. 5,884,331 a rectangular panel stitched to the edge of a larger rectangular blanket is used as a hood when the larger blanket is draped around a person as a poncho. The blanket has a waterproof outer layer and an inner layer made of cotton or fleece. A pocket located next to the hood panel has an opening for storing the hood and an opposite opening that can be inverted for the purpose of storing the blanket. With this arrangement the poncho must be tied in the front thereby leaving it somewhat exposed to the weather. Also, this blanket is not arranged to be used as a sleeping bag. See, U.S. Pat. No. 5,414,881 for an arrangement having a hood and means for storing the hood. See also U.S. Pat. No. 5,454,125 for a blanket with a pocket that can be inverted for storing the blanket.




See U.S. Pat. No. 4,078,264 for a hooded cape having an integral storage compartment into which the cape can be folded to form a cushion. See also U.S. Pat. No. 2,109,951 for a hooded garment that opens in front and can be folded into a seat cushion. See the following U.S. Pat. Nos. Design: D258,035; D300,784; D305,844; D306,543; D310,149; D312,371; D313,142; D316,791; D322,532; D328,665; D336,986; D341,979; D359,718; and D383,634. See also U. S. Pat. Nos. 3,041,638; 4,188,988; 4,534,065; 4,466,516; 4,597,605; 4,752,971; 5,048,975; 5,103,515; 5,136,738; 5,179,741; 5,346,308; 5,421,045; 5,463,783; 5,481,768; 5,533,653; 5,730,529; and 5,843,556.




Accordingly, there is a need for an article that can be readily converted to offer different utilities, without being bulky, difficult to carry, or composed of distinct parts that are easily separated and lost.




SUMMARY OF THE INVENTION




In accordance with the illustrative embodiments demonstrating features and advantages of the present invention, there is provided a multipurpose article for providing a sleeping bag and personal cover. The article has a planar flexible body with a peripheral fastener arranged to hold the flexible body in a folded condition to form a sleeping bag. The flexible body has an opening sized to permit passage of a person's head through the flexible body.




According to another aspect of the invention a multipurpose article for providing a convertible personal cover again has a planar flexible body with an opening sized to permit passage of a person's head through the flexible body. The flexible body has a pouch arranged to be inverted in order to store the flexible body in a gathered condition.




According to still another aspect of the invention, a multipurpose article can provide a convertible sleeping bag. The article has a planar flexible body with a pouch arranged to be inverted in order to store the flexible body in a folded condition. The flexible body has a peripheral fastener arranged to hold the flexible body in a folded condition about a fold line to form a sleeping bag.




According to yet another aspect of the invention, a method can provide a sleeping bag and personal cover with a planar flexible body having an opening. The method includes the step of placing the flexible body on a person's shoulders with the person's head passing through the opening of the flexible body. Another step is removing the flexible body from the person's shoulders. The method also includes the step of folding the flexible body and peripherally fastening it to form a sleeping bag.




By employing an article and method according to the principles of the present invention, a person has an improved ability to use multiple features with a unitary article. In a preferred embodiment, a panel with a waterproof side can be folded in half and secured with a peripheral zipper to form a sleeping bag. A preferred pouch with a carrying handle can be secured on the side of the panel opposite the waterproof side.




In this preferred embodiment, a central opening in the panel, normally secured by a hook and loop fastener, can be opened. Then, the panel can be worn on the person's shoulders with the head passing through the opening. A preferred hood, stitched at the opening, can be pulled out of an auxiliary pocket in the pouch, pushed through the opening, and turned inside out. The hood can be placed over the person's head and cinched with a drawstring.




For storage or seating purposes, the preferred panel can be folded into a package the same size as the pouch, leaving the pouch exposed. The pouch can then be inverted so that the folded panel is contained inside the inverted pouch. Once packed in this fashion, the article can be readily carried or used as a seat cushion.











BRIEF DESCRIPTION OF THE DRAWINGS




The above brief description as well as other objects, features and advantages of the present invention will be more fully appreciated by reference to the following detailed description of presently preferred but nonetheless illustrative embodiments in accordance with the present invention when taken in conjunction with the accompanying drawings, wherein:





FIG. 1

is a plan view of an article in accordance with principles of the present invention;





FIG. 2

shows the article of

FIG. 1

folded and secured with a fastener to form a sleeping bag;





FIG. 3

is a fragmentary, detailed view of the pouch of

FIG. 1

with a hood deployed from an auxiliary pocket in the pouch;





FIG. 4

is a fragmentary, detailed view of the pouch of

FIG. 3

showing the hood being packed into (or removed from) the auxiliary pocket;





FIG. 5A

is an exploded, fragmentary view of the article of

FIG. 3

;





FIG. 5B

is a detailed view of the pouch elements of

FIG. 5A

assembled, but not attached to the underlying flexible body;





FIGS. 6A-6D

show a method of folding the article of FIG.


1


and inverting its pouch to store its flexible body;





FIG. 7

shows the reverse side of the article of

FIG. 1

, its opening, and, in phantom, the hood prior to being pushed through the opening; and





FIG. 8

shows the article of

FIG. 1

being worn on the shoulders of a person with the person's head passing through the opening and into the hood.











DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS




Referring to

FIGS. 1-5

, a multipurpose article is shown as a planar flexible body


10


having a fabric layer


12


overlaying a waterproof layer


14


. In one embodiment layer


12


is fleece, while waterproof layer


14


is a plastic sheet; although other fabrics and other waterproof sheets may be used instead. Also, in some embodiments a single layer may be used or a fabric layer may be coated with a waterproof material.




The detachable halves


16


and


17


of a zipper (referred to herein as a peripheral fastener) act as complementary linking devices. The zipper half


16


is shown attached to the periphery of body


10


along a portion of edge


10


A and a portion of edge


10


B. The zipper half


17


is shown attached to the periphery of body


10


along a portion of opposite edge


10


C and a portion of edge


10


B. The zipper halves


16


and


17


are both attached to disjoint portions of common edge


10


B, on opposite sides of a central fold line


18


that runs lengthwise.




As shown in

FIG. 2

, flexible body


10


has been folded along fold line


18


to bring edges


10


A and


10


C together thereby allowing zipper halves


16


and


17


to mate, in order to form a sleeping bag that can be closed by the zipper, except along edge


10


D. The overall dimensions of flexible body


10


and therefore the size of the sleeping bag of

FIG. 2

can be varied depending upon the expected size of the user, the desired amount of space, etc.




A pouch


20


is shown attached to flexible body


10


to straddle fold line


18


.

FIGS. 5A and 5B

show pouch


20


formed of a layer


20


A overlying an inner layer


20


B. Preferably, layers


20


A and


20


B are made of a fleece fabric and sheet plastic, respectively, although different materials can be used in other embodiments.




A carrying handle is sandwiched between overlapping edges of layers


20


A and


20


B, which are stitched together. All of the overlapping edges of layers


20


A and


20


B are stitched together except for the edges opposite handle


22


. Accordingly, the resulting opening between layers


20


A and


20


B forms an auxiliary pocket


24


. Pouch


20


is attached to body


10


so that (a) all edges of layer


20


B are stitched to body


10


, except for the edge carrying handle


22


; and (b) all edges of layer


20


A are stitched to body


10


, except for the edge opposite handle


22


. Consequently, pouch


20


provides previously mentioned auxiliary pocket


24


and a main pocket


26


. Main pocket


26


provides an opening between pouch


20


and flexible body


10


at the end carrying handle


22


. Pockets


26


and


24


are herein referred to as a first one and a second one, respectively, of a pair of layered pockets.




An opening


28


is formed in flexible body


10


by cutting a slit


30


in layer


12


and a slit


32


to in layer


14


. Slits


32


and


32


are made adjacent and parallel to the edge of pouch


20


opposite handle


22


. A closure device is shown herein as a complementary pair of hook and loop fasteners


34


and


36


. Fasteners


34


and


36


are stitched to opposite faces of flexible body


10


on opposite sides of the opening


28


formed by slits


30


and


32


. Specifically, fastener


34


is placed on layer


12


between slit


30


in pouch


20


and stitched to both layers


12


and


14


. Fastener


36


is placed on layer


14


on the side of slit


30


opposite pouch


20


and stitched to layers


12


and


14


. Accordingly, fasteners


34


and


36


can reach each other through opening


28


in order to mate.




In more developed embodiments, the slits


30


and


32


will be appropriately reinforced. For example, a binding strip may be placed as a loop in opening


28


, folded back on either side of flexible body


10


, and stitched in place to form a binding. This binding may be elaborated and may have a separate component extending from opening


28


to form a short collar having Velcro™ fasteners on opposing faces.




A hood


38


may be a double layered body made of the same components as layers


12


and


14


. The external layer may be sheet plastic while the internal layer may be a fleece fabric (although the foregoing is reversed in

FIGS. 3

,


4


,


5


A, and


5


B where the hood is shown inside out). A face opening


40


is encircled by a hemmed-in drawstring


42


that can restrict opening


40


. The lower border


44


of hood


38


is stitched contiguously around opening


28


.




To facilitate an understanding of the principles associated with the foregoing article of

FIGS. 1-5B

, its operation will be briefly described, with reference to the methods illustrated in

FIGS. 6A-6D

,


7


, and


8


. The article may be used as a sleeping bag by folding flexible body


10


along fold line


18


(

FIG. 1

) to bring zipper halves


16


and


17


together as shown in FIG.


2


. The zipper halves


16


and


17


may then be fastened in the usual manner to provide a sleeping bag that is essentially closed on all sides except along edge


10


D. The zipper is shown partially opened along edges


10


A and


10


C to allow the user a little more ventilation and freedom of movement. The zipper can be more fully opened when the user wishes to exit the sleeping bag.




The article may be folded and converted into a seating cushion by following the steps shown in

FIGS. 6A-6D

. Reference should also be made to

FIG. 1

where fold lines F


1


, F


2


, F


3


and F


4


and edges


10


A and


10


C constitute equidistant lines dividing flexible body


10


into five equal columns. Similarly, fold lines F


5


, F


6


, and F


7


and edges


10


B and


10


D constitute equidistant lines dividing flexible body


10


into four equal rows. Consequently, the surface a flexible body


10


is thereby divided into a 5×4 matrix or checkerboard, although other arrangements are contemplated.




It will be noted that each of these cells of the matrix are squares having about the same dimension as pouch


20


. Also, fold line


18


is equidistant between fold lines F


2


and F


3


and equidistant between edges


10


A and


10


C. The edge of pouch


20


opposite handle


22


is contiguous with fold line F


6


. In fact, the four edges of pouch


20


are contiguous with fold lines F


2


, F


3


, F


6


, and F


7


.




In a first longitudinal fold, flexible body


10


may be folded along fold line F


2


(

FIG. 1

) lengthwise. This is performed by placing flexible panel


10


with the pouch


20


down, lifting edge


10


A, and placing (a) edge


10


A approximately at fold line F


4


, and (b) fold line F


1


approximately at fold line F


3


.




In a second longitudinal fold, edge


10


C is lifted (thereby lifting edge


10


A) and simultaneously folding along fold lines F


3


and F


1


. In a third longitudinal fold, edge


10


C is again lifted and folded on fold line F


4


.




The outcome of this folding process can be further understood by reviewing folded edge


10


B as shown in FIG.


6


A. This Figure shows that the folded package has a width that is about the same as the width of pouch


20


. It will be understood that many other folding schemes are possible but it is desirable that the chosen folding scheme result in a package that has the same width as pouch


20


and leaves pouch


20


exposed.




The folded package of

FIG. 6A

is shown being further folded in half, width-wise, along fold line F


6


(fold line F


6


also shown in

FIG. 1

) by lifting edge


10


D. Since the package had an overall length about four times the length of pouch


20


, after folding the package will have a length twice that of pouch


20


, as shown in

FIG. 6B. A

final, width-wise fold along fold lines F


5


and F


7


(fold lines also shown in

FIG. 1

) is illustrated by the transition from

FIG. 6B

to FIG.


6


C.




This completed package has approximately the same length and width as pouch


20


and leaves pouch


20


exposed. Again, many other folding schemes are possible, but it is desirable that the chosen folding scheme result in a package that has the same length and width as pouch


20


and leaves pouch


20


exposed. While compact folding procedures are preferred, flexible body


10


can even be gathered together behind pouch


20


in a random, crumpled bunch.




Assuming for now the configuration shown in

FIG. 6C

, this package will unfold if one attempts to carry it using handle


22


. Therefore, the user now ought to invert pocket


26


of pouch


20


so that the folds of flexible body


10


are captured inside the pocket as shown in FIG.


6


D. The resulting package can be conveniently carried using handle


22


without unfolding. Also, the package can be used as a seat cushion, for example, when the user is seated outdoors at a sporting event.




In the event of rain or inclement weather, the user may reverse the previous inversion of pouch


20


(

FIG. 6D

) and unfold the flexible body


10


back to the configuration shown in FIG.


1


. The user may now reach into the auxiliary pocket


24


(

FIG. 4

) and pull out hood


38


. The user will then unfasten the hook and loop fasteners


34


and


36


(

FIGS. 3 and 5A

) to open the opening


28


in order to achieve the interim condition shown in

FIGS. 3 and 7

. Next, the user will push hood


38


through opening


28


so that the hood extends from the waterproof side of flexible body


10


. Also, the hood will be inverted to expose its waterproof side.




The flexible body


10


now be placed over a user's shoulders, with the user's head passing through opening


28


as shown in FIG.


8


. Accordingly, flexible body


10


and hood


38


act as a hooded poncho. Significantly, the hood


38


is centered on the flexible body


10


. Thus, the article is closed in front and drapes by the same amount in both the front and back.




When this poncho is no longer needed, the user can remove the article and push hood


38


back through opening


28


before resealing fasteners


34


and


36


. Hood


38


can then be stuffed back into auxiliary pocket


24


as shown in FIG.


4


. This returns the article to the condition shown in FIG.


1


. As described before, the article can either be converted to the sleeping bag of

FIG. 2

or the compact package of FIG.


6


D.




It is appreciated that various modifications may be implemented with respect to the above described, preferred embodiment. While the flexible body is shown with double layers, in other embodiments a different number of layers or single layer may be employed. As an example, an insulating material may be placed between two outside layers. Also, the illustrated fasteners can be replaced with a variety of zippers, snaps, hook and loop fasteners, buckles, laces, catches, etc. Also in some embodiments, the hood may be eliminated or made removable by employing releasable fasteners. Similarly, the auxiliary pocket for storing the hood can be eliminated in some embodiments. Also the carrying handle can take a variety of forms, may be removable, or may be eliminated altogether. Furthermore, in some embodiments the pouch may be placed next to a different portion of the opening, or in some cases, may be spaced from the opening. Moreover, the various dimensions and shapes can be altered depending upon the desired capacity, size, or other design considerations.




Obviously, many modifications and variations of the present invention are possible in light of the above teachings. It is therefore to be understood that within the scope of the appended claims, the invention may be practiced otherwise than as specifically described.



Claims
  • 1. A multipurpose article for providing a sleeping bag and personal cover, comprising:a planar flexible body having in an unfolded condition four peripheral edges consisting of a first, a second, a third, and a fourth peripheral edge, said first and said third peripheral edges being transverse to both said second and said fourth peripheral edges, said flexible body having a peripheral fastener arranged to hold said flexible body in a folded condition along a fold line that is spaced from said second and fourth peripheral edges and intersects said first and said third peripheral edges to form a sleeping bag with three closed edges and one open edge, said one open edge being formed with said third peripheral edge, said peripheral fastener being operable to form said three closed edges by joining together at least portions of said first, said second and said fourth peripheral edges, said flexible body having an opening sized to permit passage of a person's head through said flexible body at a position along said fold line that is spaced from said peripheral fastener and from said four peripheral edges, said peripheral fastener having a pair of complementary linking devices separately located on opposite sides of said fold line, said pair of linking devices comprising (a) a first linking device at least partially extending along said second peripheral edge and half of said first peripheral edge, and (b) a second linking device at least partially extending along said fourth peripheral edge and half of said first peripheral edge.
  • 2. A multipurpose article according to claim 1 wherein said peripheral fastener comprises a zipper having detachable halves on opposite sides of said fold line.
  • 3. A multipurpose article according to claim 1 wherein said opening is centrally located on said flexible body.
  • 4. A multipurpose article according to claim 1 wherein said flexible body comprises:a closure device for closing said opening.
  • 5. A multipurpose article according to claim 4 wherein said closure device comprises:a complementary pair of hook and loop fasteners, so that said opening can be closed when the flexible body is used as a sleeping bag.
  • 6. A multipurpose article according to claim 4 wherein said flexible body has a pair of layers, one of them being waterproof.
  • 7. A multipurpose article according to claim 1 wherein said flexible body comprises:a hood attached at said opening for covering a person's head.
  • 8. A multipurpose article according to claim 1 wherein said flexible body comprises:a pouch arranged to be inverted in order to hold said flexible body in a folded condition.
  • 9. A multipurpose article according to claim 8 wherein said flexible body has a pair of layers, said pouch being attached to one of said layers, the other one of the layers being waterproof.
  • 10. A multipurpose article according to claim 8 wherein said pouch is located adjacent said opening.
  • 11. A multipurpose article according to claim 10 wherein said opening is centrally located.
  • 12. A multipurpose article according to claim 11 wherein said peripheral fastener is operable to hold said flexible body folded along said fold line, said pouch being located across said fold line contiguous to said opening, said opening being located across the center of said fold line.
  • 13. A multipurpose article according to claim 11 wherein said pouch comprises a carrying handle.
  • 14. A multipurpose article according to claim 1 wherein said flexible body comprises:a hood attached at said opening for covering a person's head; and a pouch having a pair of layered pockets, a first one of them arranged to be inverted in order to hold said flexible body in a folded condition, a second one of said pockets opening at said hood and sized to receive and store said hood.
  • 15. A multipurpose article according to claim 14 wherein said second one of said pockets overlays said first one of said pockets.
  • 16. A multipurpose article according to claim 15 wherein said pouch comprises a handle.
  • 17. A multipurpose article according to claim 11 wherein said flexible body has a length and a width that are integral multiples of the length and width, respectively, of said pouch.
  • 18. A multipurpose article according to claim 1 wherein said peripheral fastener is operable to hold said flexible body folded along said fold line, the length of said flexible body along said fold line being greater than a width dimension transverse to said fold line.
  • 19. A multipurpose article for providing a convertible personal cover, comprising:a planar flexible body having a pouch arranged to be inverted in order to store said flexible body in a gathered condition, said flexible body having (a) an opening sized to permit passage of a person's head through said flexible body, and (b) a hood attached at said opening for covering a person's head, said pouch being contiguous to said hood for storing said hood in said pouch with said body in an unfolded condition.
  • 20. A multipurpose article according to claim 19 wherein said opening is centrally located on said flexible body.
  • 21. A multipurpose article according to claim 19 wherein said flexible body comprises:a closure device for closing said opening.
  • 22. A multipurpose article according to claim 21 wherein said closure device comprises: a complementary pair of hook and loop fasteners, so that said opening can be closed when the flexible body is used as a sleeping bag.
  • 23. A multipurpose article according to claim 21 wherein said flexible body has a pair of layers, one of them being waterproof.
  • 24. A multipurpose article according to claim 19 wherein said flexible body comprises:a pouch arranged to be inverted in order to hold said flexible body in a folded condition.
  • 25. A multipurpose article according to claim 24 wherein said flexible body has a pair of layers, said pouch being attached to one of said layers, the other one of the layers being waterproof.
  • 26. A multipurpose article according to claim 24 wherein said pouch is located adjacent said opening.
  • 27. A multipurpose article according to claim 26 wherein said opening is centrally located.
  • 28. A multipurpose article according to claim 27 wherein said pouch comprises a carrying handle.
  • 29. A multipurpose article according to claim 19 wherein said flexible body comprises:a hood attached at said opening for covering a person's head; and a pouch having a pair of layered pockets, a first one of them arranged to be inverted in order to hold said flexible body in a folded condition, a second one of said pockets opening at said hood and sized to receive and store said hood.
  • 30. A multipurpose article according to claim 29 wherein said second one of said pockets overlays said first one of said pockets.
  • 31. A multipurpose article according to claim 30 wherein said pouch comprises a handle.
  • 32. A multipurpose article according to claim 27 wherein said flexible body has a length and a width that are integral multiples of the length and width, respectively, of said pouch.
  • 33. A multipurpose article for providing a convertible sleeping bag, comprising:a planar flexible body having a pouch arranged to be inverted in order to store said flexible body in a folded condition, said flexible body having a peripheral fastener arranged to hold said flexible body in a folded condition about a fold line to form a sleeping bag that is more than twice as wide as said pouch, said pouch being located across said fold.
  • 34. A multipurpose article according to claim 33 wherein said flexible body has four edges, said peripheral fastener (a) being operable to hold said flexible body folded along said fold line, and (b) having a pair of complementary linking devices separately located on opposite sides of said fold line to partially extend (i) along an opposite pair of said four edges located on opposite sides of said fold line, and (ii) along disjoint portions of a common one of said four edges between said opposite pair.
  • 35. A multipurpose article according to claim 34 wherein said peripheral fastener comprises a zipper having detachable halves on opposite sides of said fold line.
  • 36. A multipurpose article according to claim 33 wherein said flexible body has a pair of layers, one of them being waterproof.
  • 37. A multipurpose article according to claim 33 wherein said flexible body has a pair of layers, said pouch being attached to one of said layers, the other one of the layers being waterproof.
  • 38. A multipurpose article according to claim 33 wherein said pouch is located across said fold line.
  • 39. A multipurpose article according to claim 33 wherein said pouch comprises a carrying handle.
  • 40. A multipurpose article according to claim 33 wherein said flexible body has a length and a width that are integral multiples of the length and width, respectively, of said pouch.
  • 41. A multipurpose article according to claim 33 wherein said peripheral fastener is being operable to hold said flexible body folded along said fold line, the length of said flexible body along said fold line being greater than a width dimension transverse to said fold line.
  • 42. A method for providing a sleeping bag and personal cover with a planar flexible body having an opening and four peripheral edges consisting of a first, a second, a third, and a fourth peripheral edge, said first and said third peripheral edges being transverse to both said second and said fourth peripheral edges, comprising the steps of:placing said flexible body on a person's shoulders with the person's head passing through the opening of said flexible body at a position spaced from said four peripheral edges; removing said flexible body from the person's shoulders; and folding said flexible body into a sleeping bag having three closed edges and one open edge by peripherally fastening together portions of said first, said second and said fourth peripheral edges, said first peripheral edge being folded in half and longitudinally fastened to form one of said three closed edges, the other two closed edges being formed by longitudinally fastening said second and said fourth peripheral edges together, said third peripheral edge being left unfastened to form the open edge of the sleeping bag.
  • 43. A method according to claim 42 wherein said opening is centrally located on said flexible body, and wherein a hood is attached at said opening, the method comprising the step of:pushing said hood through said opening after removal of said flexible body from the person's shoulders.
  • 44. A method according to claim 42 comprising the step of:closing said opening after removal of said flexible body from the person's shoulders.
  • 45. A method according to claim 42 wherein said flexible body has a pouch, the method comprising the step of:inverting the pouch and storing said flexible body therein in a folded condition.
US Referenced Citations (31)
Number Name Date Kind
2611899 Nelson Sep 1952 A
2644948 Gutmann Jul 1953 A
2711546 Licht Jun 1955 A
2972757 Adrian Feb 1961 A
3176315 Freund Apr 1965 A
3381306 Innes May 1968 A
3477552 Goldman Nov 1969 A
3510889 Peterson May 1970 A
3958274 Klauber May 1976 A
4180867 Ridgeway, Jr. Jan 1980 A
4238871 Cannon Dec 1980 A
4484362 Asher Nov 1984 A
4513461 Tardivel Apr 1985 A
4604765 Scholtz Aug 1986 A
4634618 Greer et al. Jan 1987 A
5217034 Yih et al. Jun 1993 A
5346308 Buhot et al. Sep 1994 A
5390381 LaMantia Feb 1995 A
5454125 Ratkowski Oct 1995 A
5454643 Sullivan Oct 1995 A
5463783 Pope Nov 1995 A
5618110 Sullivan Apr 1997 A
5774912 Dominique Jul 1998 A
5920931 Zuehlke et al. Jul 1999 A
5987667 Haverly et al. Nov 1999 A
6014772 Connelly Jan 2000 A
6105168 Hazen Aug 2000 A
6105188 Perez-Mesa et al. Aug 2000 A
6129452 Hakulin Oct 2000 A
6158068 Pariseau Dec 2000 A
6338173 Ramsey Jan 2002 B1