The broken lines in the drawings depict unclaimed environmental subject matter.
The broken lines in the drawings depict unclaimed environmental subject matter.
Number | Name | Date | Kind |
---|---|---|---|
3709083 | Doherty | Jan 1973 | A |
3779122 | Sawvell | Dec 1973 | A |
4144785 | von Langendorff | Mar 1979 | A |
4516450 | Shuttleworth | May 1985 | A |
D285798 | Brunnegard et al. | Sep 1986 | S |
4982627 | Johnson | Jan 1991 | A |
5471730 | Sackett | Dec 1995 | A |
D383659 | Norman | Sep 1997 | S |
5682782 | Rosene et al. | Nov 1997 | A |
D399855 | Ito | Oct 1998 | S |
6792831 | Crosser | Sep 2004 | B2 |
7210384 | Elynuik | May 2007 | B2 |
7367210 | Nishibu | May 2008 | B2 |
20050150338 | Elynuik | Jul 2005 | A1 |
20050217343 | Tomita | Oct 2005 | A1 |
20070180723 | Morgan | Aug 2007 | A1 |
20080314220 | Ferry et al. | Dec 2008 | A1 |