TREA

Kenneth J. Penning

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  • Grand Rapids, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Chair
    • Patent number D434918
    • Issue date Dec 12, 2000
    • Steelcase Inc.
    • Robert P. Arko
    • D06 - Furnishings
  • Information Patent Grant

    Chair with adjustable armrest
    • Patent number 6,053,577
    • Issue date Apr 25, 2000
    • Steelcase Development Inc.
    • Robert P. Arko
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Chair
    • Patent number D420538
    • Issue date Feb 15, 2000
    • Steelcase Inc.
    • Robert P. Arko
    • D06 - Furnishings
  • Information Patent Grant

    Chair
    • Patent number D393968
    • Issue date May 5, 1998
    • Steelcase Inc.
    • Kenneth James Penning
    • D06 - Furnishings