TREA

Charles C. Pergler

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  • Kentwood, MI, US
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Patents Grantslast 30 patents

  • 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

    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

    Chair seat adjustment assembly
    • Patent number 4,375,301
    • Issue date Mar 1, 1983
    • Steelcase Inc.
    • Charles C. Pergler
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Chair control
    • Patent number 4,214,726
    • Issue date Jul 29, 1980
    • Steelcase, Inc.
    • Alexander A. Karrip
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Posture iron with safety stop
    • Patent number 4,183,581
    • Issue date Jan 15, 1980
    • Steelcase Inc.
    • Alexander A. Karrip
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...