TREA

William S. Stumpf

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  • Waterloo, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Chair armrest component
    • Patent number D411929
    • Issue date Jul 13, 1999
    • Northfield Metal Products Ltd.
    • William S. Stumpf
    • D06 - Furnishings
  • Information Patent Grant

    Chair armrest
    • Patent number D411396
    • Issue date Jun 22, 1999
    • Northfield Metal Products Ltd.
    • William S. Stumpf
    • D06 - Furnishings
  • Information Patent Grant

    Chair armrest
    • Patent number D407246
    • Issue date Mar 30, 1999
    • Northfield Metal Products Ltd.
    • William S. Stumpf
    • D06 - Furnishings
  • Information Patent Grant

    Chair arm rest
    • Patent number D397889
    • Issue date Sep 8, 1998
    • Northfield Metal Products Ltd.
    • William S. Stumpf
    • D06 - Furnishings