TREA

Robert T. Ritt

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  • Holland Township, Ottawa County, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Height-adjustable chair arm assembly
    • Patent number 6,106,070
    • Issue date Aug 22, 2000
    • Haworth, Inc.
    • Robert T. Ritt
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Chairback with side torsional movement
    • Patent number 6,059,363
    • Issue date May 9, 2000
    • Haworth, Inc.
    • Richard N. Roslund
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Operator-interactive adjustable workstation
    • Patent number 5,961,179
    • Issue date Oct 5, 1999
    • Haworth, Inc.
    • Perry L. Dixon
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Chairback with side torsional movement
    • Patent number 5,951,109
    • Issue date Sep 14, 1999
    • Haworth, Inc.
    • Richard N. Roslund
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Height-adjustable chair arm assembly
    • Patent number 5,853,223
    • Issue date Dec 29, 1998
    • Haworth, Inc.
    • Robert T. Ritt
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Height-adjustable chair arm assembly
    • Patent number 5,647,638
    • Issue date Jul 15, 1997
    • Haworth, Inc.
    • Robert T. Ritt
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...