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Richard K. DRUMM

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  • Mt. Sinai, NY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Drumhead with extended collar
    • Patent number 8,859,869
    • Issue date Oct 14, 2014
    • D'Addario & Company, Inc.
    • Steven T. Murray
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    DRUMHEAD WITH EXTENDED COLLAR
    • Publication number 20140260893
    • Publication date Sep 18, 2014
    • D'Addario & Company, Inc.
    • Steven T. MURRAY
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS