TREA

Daniel R. Johnson-Zeh

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  • Grand Rapids, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Keyboard support with quick connect
    • Patent number 6,343,775
    • Issue date Feb 5, 2002
    • Steelcase Development Corporation
    • David K. Jones
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Tilt lockout for articulated keyboard supports
    • Patent number 6,135,405
    • Issue date Oct 24, 2000
    • Steelcase Development Inc.
    • David K. Jones
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Computer mouse support
    • Patent number 5,636,822
    • Issue date Jun 10, 1997
    • Steelcase Inc.
    • Thomas E. Hendershot
    • G06 - COMPUTING CALCULATING COUNTING