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Jonathan D. Phelps

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  • Winter Park, FL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Guitar feedback device and method
    • Patent number 5,449,858
    • Issue date Sep 12, 1995
    • Haddock, Jr.; Edward E.
    • Hunter W. Menning
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents