TREA

Alexander A. Karrip

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  • Grand Rapids, MI, US
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Patents Grantslast 30 patents

  • 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...
  • Information Patent Grant

    Chair back with polymer spring
    • Patent number 4,135,836
    • Issue date Jan 23, 1979
    • Steelcase Inc.
    • Thomas E. Rensland
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Chair base arm end cap
    • Patent number 4,005,841
    • Issue date Feb 1, 1977
    • Steelcase, Inc.
    • Thomas E. Rensland
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...