TREA

David A. Swan

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  • Shoreview, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Enclosure handle
    • Patent number D411433
    • Issue date Jun 22, 1999
    • Hoffman Enclosures, Inc.
    • David A. Swan
    • D08 - Tools and hardware
  • Information Patent Grant

    Vented cabinet door with full length window
    • Patent number 5,902,026
    • Issue date May 11, 1999
    • Hoffman Enclosures, Inc.
    • David A. Swan
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Vented cabinet door with full length window
    • Patent number D402639
    • Issue date Dec 15, 1998
    • Hoffman Enclosures, Inc.
    • Robert C. Baxter
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Retaining clip system
    • Patent number 5,704,100
    • Issue date Jan 6, 1998
    • Federal-Hoffman, Inc.
    • David A. Swan
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hinge system
    • Patent number 5,666,695
    • Issue date Sep 16, 1997
    • Federal-Hoffman, Inc.
    • Viktor J. Jegers
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Locking door handle
    • Patent number 5,664,448
    • Issue date Sep 9, 1997
    • Federal-Hoffman, Inc.
    • David A. Swan
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Latch system
    • Patent number 5,642,909
    • Issue date Jul 1, 1997
    • Federal-Hoffman, Inc.
    • David A. Swan
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Quarter turn latch
    • Patent number 5,630,632
    • Issue date May 20, 1997
    • Federal-Hoffman, Inc.
    • David A. Swan
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Enclosure latch
    • Patent number 5,509,703
    • Issue date Apr 23, 1996
    • Federal-Hoffman, Inc.
    • Robert G. Lau
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Combined handle and lock unit
    • Patent number D360345
    • Issue date Jul 18, 1995
    • Federal-Hoffman, Inc.
    • David A. Swan
    • D08 - Tools and hardware
  • Information Patent Grant

    Low-profile enclosure handle
    • Patent number D343347
    • Issue date Jan 18, 1994
    • Federal-Hoffman, Inc.
    • Robert G. Lau
    • D08 - Tools and hardware
  • Information Patent Grant

    Multiple point cam-pinion door latch
    • Patent number 5,172,944
    • Issue date Dec 22, 1992
    • Federal-Hoffman, Inc.
    • Terry L. Munich
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES