TREA

Ernst Zacharias

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  • Trossingen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Mouth organ
    • Patent number 4,704,938
    • Issue date Nov 10, 1987
    • Matt H. Hohner AG
    • Ernst Zacharias
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Key board system for an electronic musical instrument
    • Patent number 4,587,877
    • Issue date May 13, 1986
    • Matth. Hohner AG
    • Ernst Zacharias
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Mouth organ
    • Patent number 4,502,362
    • Issue date Mar 5, 1985
    • Matth. Hohner AG
    • Ernst Zacharias
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Stringed instrument with keyboard, of the clavichord type
    • Patent number 4,404,884
    • Issue date Sep 20, 1983
    • Matth. Hohner AG
    • Ernst Zacharias
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS