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Stephen B. Kolk

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  • Grand Rapids, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Monolithic finishing process and machine for furniture parts and th...
    • Patent number 5,225,170
    • Issue date Jul 6, 1993
    • Steelcase Inc.
    • Stephen B. Kolk
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Monolithic finishing process and machine for furniture parts and th...
    • Patent number 5,116,639
    • Issue date May 26, 1992
    • Steelcase Inc.
    • Stephen B. Kolk
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Furniture article with edge molding
    • Patent number 4,558,553
    • Issue date Dec 17, 1985
    • Steelcase Inc.
    • Stephen B. Kolk
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Plastic encapsulated base
    • Patent number 4,262,871
    • Issue date Apr 21, 1981
    • Steelcase Inc.
    • Stephen B. Kolk
    • 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...