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Potomac Applied Mechanics, Inc.

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  • Bethesda, MD, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Assembly of straight duct and transitions
    • Patent number 4,424,618
    • Issue date Jan 10, 1984
    • Potomac Applied Mechanics, Inc.
    • James H. Stubbings
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Universal conveyor
    • Patent number 4,422,543
    • Issue date Dec 27, 1983
    • Potomac Applied Mechanics, Inc.
    • James H. Stubbings
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Straight line insulation cutter assembly
    • Patent number 4,354,410
    • Issue date Oct 19, 1982
    • Potomac Applied Mechanics, Inc.
    • James H. Stubbings
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Portable article supporting container
    • Patent number 4,342,492
    • Issue date Aug 3, 1982
    • Potomac Applied Mechanics, Inc.
    • Steven T. Spevak
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Article supporting assembly
    • Patent number 4,339,164
    • Issue date Jul 13, 1982
    • Potomac Applied Mechanics, Inc.
    • Stephen T. Spevak
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Leveling
    • Patent number 4,320,581
    • Issue date Mar 23, 1982
    • Potomac Applied Mechanics, Inc.
    • Karl B. Ousterhout
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Convertible back pack frame
    • Patent number 4,286,739
    • Issue date Sep 1, 1981
    • Potomac Applied Mechanics
    • Philip B. Silcott
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Grant

    Article supporting assembly
    • Patent number 4,286,832
    • Issue date Sep 1, 1981
    • Potomac Applied Mechanics, Inc.
    • Stephen T. Spevak
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Method and apparatus for cutting sheet metal wrappers or the like
    • Patent number RE30645
    • Issue date Jun 16, 1981
    • Potomac Applied Mechanics, Inc.
    • James H. Stubbings
    • 072 - Metal deforming
  • Information Patent Grant

    Apparatus for bundling and banding a stack of objects
    • Patent number 4,270,445
    • Issue date Jun 2, 1981
    • Potomac Applied Mechanics, Inc.
    • James H. Stubbings
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Steel stock cutting
    • Patent number 4,265,156
    • Issue date May 5, 1981
    • Potomac Applied Mechanics, Inc.
    • James H. Stubbings
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Fastening using air hammer
    • Patent number 4,257,548
    • Issue date Mar 24, 1981
    • Potomac Applied Mechanics, Inc.
    • James H. Stubbings
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Angle iron cutting
    • Patent number 4,255,993
    • Issue date Mar 17, 1981
    • Potomac Applied Mechanics, Inc.
    • James H. Stubbings
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Formation of radius elbows and O.G. sets
    • Patent number 4,210,090
    • Issue date Jul 1, 1980
    • Potomac Applied Mechanics, Inc.
    • James H. Stubbings
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Power shear yoke construction and ball-bearing assembly
    • Patent number 4,195,407
    • Issue date Apr 1, 1980
    • Potomac Applied Mechanics, Inc.
    • James H. Stubbings
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Fastening with two-piece fasteners
    • Patent number 4,184,357
    • Issue date Jan 22, 1980
    • Potomac Applied Mechanics, Inc.
    • James H. Stubbings
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Two-piece fastener air hammer
    • Patent number 4,183,239
    • Issue date Jan 15, 1980
    • Potomac Applied Mechanics, Inc.
    • James H. Stubbings
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Angle iron cutting
    • Patent number 4,170,910
    • Issue date Oct 16, 1979
    • Potomac Applied Mechanics, Inc.
    • James H. Stubbings
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Bracket mount for lock box
    • Patent number 4,170,324
    • Issue date Oct 9, 1979
    • Potomac Applied Mechanics, Inc.
    • James H. Stubbings
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Article supporting arrangement
    • Patent number 4,170,392
    • Issue date Oct 9, 1979
    • Potomac Applied Mechanics, Inc.
    • Stephen T. Spevak
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Automatic loading and unloading for numerically controlled turret p...
    • Patent number 4,162,641
    • Issue date Jul 31, 1979
    • Potomac Applied Mechanics, Inc.
    • James H. Stubbings
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Locking mechanism
    • Patent number 4,120,181
    • Issue date Oct 17, 1978
    • Potomac Applied Mechanics, Inc.
    • James H. Stubbings
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Assembly of straight duct and transitions
    • Patent number 4,111,143
    • Issue date Sep 5, 1978
    • Potomac Applied Mechanics, Inc.
    • James Henry Stubbings
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Angle iron cutting
    • Patent number 4,106,380
    • Issue date Aug 15, 1978
    • Potomac Applied Mechanics, Inc.
    • James Henry Stubbings
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method and apparatus for cutting sheet metal wrappers or the like
    • Patent number 4,070,890
    • Issue date Jan 31, 1978
    • Potomac Applied Mechanics, Inc.
    • James Henry Stubbings
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Sheet metal cutting
    • Patent number 4,069,583
    • Issue date Jan 24, 1978
    • Potomac Applied Mechanics, Inc.
    • James Henry Stubbings
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Lock box
    • Patent number 4,058,993
    • Issue date Nov 22, 1977
    • Potomac Applied Mechanics, Inc.
    • James H. Stubbings
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Band and saber saw arrangement
    • Patent number 4,055,102
    • Issue date Oct 25, 1977
    • Potomac Applied Mechanics, Inc.
    • James Henry Stubbings
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Insulation cutter
    • Patent number 4,050,336
    • Issue date Sep 27, 1977
    • Potomac Applied Mechanics, Inc.
    • James H. Stubbings
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Continuous welder
    • Patent number 4,051,342
    • Issue date Sep 27, 1977
    • Potomac Applied Mechanics, Inc.
    • James Henry Stubbings
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

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