TREA

Joseph J. Katzenberger

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  • Crawfordsville, IN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Acoustic waveguide guitar
    • Patent number 12,094,438
    • Issue date Sep 17, 2024
    • Joseph J. Katzenberger
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Floating soundboard acoustic guitar
    • Patent number 11,232,770
    • Issue date Jan 25, 2022
    • Joseph J. Katzenberger
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Folded horn acoustic guitar
    • Patent number 10,777,172
    • Issue date Sep 15, 2020
    • Joseph J. Katzenberger
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    Acoustic Waveguide Grand Piano
    • Publication number 20250124895
    • Publication date Apr 17, 2025
    • Joseph Katzenberger
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    Acoustic Waveguide Guitar
    • Publication number 20230360617
    • Publication date Nov 9, 2023
    • Joseph J. Katzenberger
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS