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Charles E. DeLong

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  • Dubois, IN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electronic piano
    • Patent number 4,493,237
    • Issue date Jan 15, 1985
    • Kimball International, Inc.
    • Charles E. DeLong
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Pedalboard encoded note pattern generation system
    • Patent number 4,366,739
    • Issue date Jan 4, 1983
    • Kimball International, Inc.
    • Charles E. DeLong
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS