TREA

Gerard Helfrich

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  • Somerville, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Packaged drum set
    • Patent number 7,608,769
    • Issue date Oct 27, 2009
    • First Act, Inc.
    • Mark S. Izen
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Drum pedal
    • Patent number D597127
    • Issue date Jul 28, 2009
    • First Act Inc.
    • Mark S. Izen
    • D17 - Musical instruments
  • Information Patent Grant

    Drum container
    • Patent number 7,244,883
    • Issue date Jul 17, 2007
    • First Act Inc.
    • Gerard Helfrich
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Musical instrument system
    • Patent number 7,087,825
    • Issue date Aug 8, 2006
    • First Act Inc.
    • Mark S. Izen
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Drum box
    • Patent number D506131
    • Issue date Jun 14, 2005
    • First Act, Inc.
    • Mark S. Izen
    • D09 - Packages and containers for goods
  • Information Patent Grant

    Drum box
    • Patent number D499020
    • Issue date Nov 30, 2004
    • First Act, Inc.
    • Mark S. Izen
    • D09 - Packages and containers for goods

Patents Applicationslast 30 patents

  • Information Patent Application

    Drum container
    • Publication number 20060272474
    • Publication date Dec 7, 2006
    • Gerard Helfrich
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    Musical instrument system
    • Publication number 20050284284
    • Publication date Dec 29, 2005
    • Mark S. Izen
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    Packaged drum set
    • Publication number 20050252358
    • Publication date Nov 17, 2005
    • Mark S. Izen
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS