TREA

Jack R. Knoblauch

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  • Byron Center, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Height adjustor for furniture
    • Patent number 4,485,996
    • Issue date Dec 4, 1984
    • Steelcase Inc.
    • Duane M. Beukema
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Chain control locking assembly
    • Patent number 4,438,898
    • Issue date Mar 27, 1984
    • Steelcase Inc.
    • Jack R. Knoblauch
    • 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 with height adjustment actuator
    • Patent number 4,373,692
    • Issue date Feb 15, 1983
    • Steelcase Inc.
    • Jack R. Knoblauch
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Height adjustable chair base
    • Patent number 4,324,382
    • Issue date Apr 13, 1982
    • Steelcase Inc.
    • Duane M. Beukema
    • 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...