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Lorenzo Barrios

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  • Covina, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Loudspeaker port handle
    • Patent number 7,789,192
    • Issue date Sep 7, 2010
    • QSC Audio Products, Inc.
    • Lorenzo Barrios
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Loudspeaker port handle
    • Patent number D576607
    • Issue date Sep 9, 2008
    • QSC Audio Products, Inc.
    • Lorenzo Barrios
    • D14 - Recording, communication, or information retrieval equipment

Patents Applicationslast 30 patents

  • Information Patent Application

    Loudspeaker Port Handle
    • Publication number 20080169151
    • Publication date Jul 17, 2008
    • QSC Audio Products, Inc.
    • Lorenzo Barrios
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE