TREA

David D. Sayers

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  • Kentwood, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Modular chair construction and method of assembly
    • Patent number 5,979,988
    • Issue date Nov 9, 1999
    • Steelcase Development Inc.
    • Kurt R. Heidmann
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Modular chair construction and method of assembly
    • Patent number 5,873,634
    • Issue date Feb 23, 1999
    • Steelcase Inc.
    • Kurt R. Heidmann
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Modular chair construction and method of assembly
    • Patent number 5,782,536
    • Issue date Jul 21, 1998
    • Steelcase Inc.
    • Kurt R. Heidmann
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Tension adjustment mechanism for chairs
    • Patent number 5,630,647
    • Issue date May 20, 1997
    • Steelcase Inc.
    • Kurt R. Heidmann
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Chair with adjustable arm assemblies
    • Patent number 5,439,267
    • Issue date Aug 8, 1995
    • Steelcase Inc.
    • Gordy Peterson
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...