TREA

Ronald L. Whitwam

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  • Caledonia, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Convertible table and easel
    • Patent number 6,575,103
    • Issue date Jun 10, 2003
    • Steelcase Development Corporation
    • Russell T. Holdredge
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Chair control tension adjustment assembly
    • Patent number 4,570,895
    • Issue date Feb 18, 1986
    • Steelcase, Inc.
    • Ronald L. Whitwam
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Convertible inner shell for seating and the like
    • Patent number 4,519,651
    • Issue date May 28, 1985
    • Steelcase, Inc.
    • Ronald L. Whitwam
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Synchrotilt chair control
    • Patent number 4,390,206
    • Issue date Jun 28, 1983
    • Steelcase, Incorporated
    • Frederick S. Faiks
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Combined table and seating unit
    • Patent number D268551
    • Issue date Apr 12, 1983
    • Steelcase Inc.
    • William B. Raftery
    • D06 - Furnishings
  • Information Patent Grant

    Combined table and seating unit
    • Patent number D268552
    • Issue date Apr 12, 1983
    • Steelcase Inc.
    • William B. Raftery
    • D06 - Furnishings
  • Information Patent Grant

    Seat
    • Patent number D266038
    • Issue date Sep 7, 1982
    • Steelcase Inc.
    • William B. Raftery
    • D06 - Furnishings
  • Information Patent Grant

    Seat
    • Patent number D265955
    • Issue date Aug 31, 1982
    • Steelcase Inc.
    • William B. Raftery
    • D06 - Furnishings
  • Information Patent Grant

    Modular seating arrangement
    • Patent number 4,265,483
    • Issue date May 5, 1981
    • Steelcase Inc.
    • William B. Raftery
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Chair
    • Patent number 3,964,789
    • Issue date Jun 22, 1976
    • Steelcase, Inc.
    • Warren Platner
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...