TREA

Jon David Kammerer

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  • Hamilton, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Guitar neck joint
    • Patent number 11,694,660
    • Issue date Jul 4, 2023
    • Jon David Kammerer
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Stringed instrument construction
    • Patent number 7,550,660
    • Issue date Jun 23, 2009
    • Jon David Kammerer
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Guitar construction
    • Patent number 6,376,755
    • Issue date Apr 23, 2002
    • Jon D. Kammerer
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents