TREA

Robert E. Szwaya

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  • Milwaukee, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    U-joint for double pedal
    • Patent number 7,633,000
    • Issue date Dec 15, 2009
    • Trick Percussion Products, inc.
    • Michael Dorfman
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Drum pedal
    • Patent number 7,456,351
    • Issue date Nov 25, 2008
    • Trick Percussion Products, Inc.
    • Michael Dorfman
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Adjustable bass drum beater
    • Patent number 7,211,720
    • Issue date May 1, 2007
    • Trick Percussion Products, Inc.
    • Michael Dorfman
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Strainer for a drum
    • Patent number 6,846,978
    • Issue date Jan 25, 2005
    • Trick Percussion Products, Inc.
    • Michael Dorfman
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    U-Joint for Double Pedal
    • Publication number 20070295191
    • Publication date Dec 27, 2007
    • Michael Dorfman
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    ADJUSTABLE BASS DRUM BEATER
    • Publication number 20070089588
    • Publication date Apr 26, 2007
    • Michael Dorfman
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    Drum pedal
    • Publication number 20060156901
    • Publication date Jul 20, 2006
    • Michael Dorfman
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    Strainer for a drum
    • Publication number 20040168563
    • Publication date Sep 2, 2004
    • Michael Dorfman
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS