TREA

Joseph C. Nichols

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  • St. Paul, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Guitar tremolo apparatus
    • Patent number 4,843,941
    • Issue date Jul 4, 1989
    • Joseph C. Nichols
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Capo
    • Patent number 4,143,576
    • Issue date Mar 13, 1979
    • Joseph C. Nichols
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS