TREA

Manfred W. Suhr

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  • Oregon, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Keyboard support assembly
    • Patent number D402971
    • Issue date Dec 22, 1998
    • Minnesota Mining and Manufacturing Company
    • Kenneth J. Kirchhoff
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Keyboard support assembly
    • Patent number 5,823,487
    • Issue date Oct 20, 1998
    • Minnesota Mining and Manufacturing Company
    • Kenneth J. Kirchhoff
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Keyboard support assembly
    • Patent number D396708
    • Issue date Aug 4, 1998
    • Minnesota Mining and Manufacturing Company
    • Kenneth J. Kirchhoff
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Keyboard support assembly
    • Patent number D387744
    • Issue date Dec 16, 1997
    • Minnesota Mining and Manufacturing Company
    • Kenneth J. Kirchhoff
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Electrostatic acoustic transducer having extremely thin diaphragm s...
    • Patent number 5,206,914
    • Issue date Apr 27, 1993
    • Koss Corporation
    • Neil K. Fortney
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE