TREA

David N. Bubar

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  • Delmar, NY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Collapsible musical keyboard
    • Patent number 6,875,913
    • Issue date Apr 5, 2005
    • David N. Bubar
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    System of teaching music
    • Patent number 5,685,724
    • Issue date Nov 11, 1997
    • David Bubar
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents