TREA

Luis F. Esparza

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  • Chino Hills, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Spiral line array loudspeaker
    • Patent number 7,606,384
    • Issue date Oct 20, 2009
    • QSC Audio Products, Inc.
    • Mark E. Engebretson
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Curved line array loudspeaker
    • Patent number 7,606,383
    • Issue date Oct 20, 2009
    • QSC Audio Products, Inc.
    • Mark E. Engebretson
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Loudspeaker array
    • Patent number D594854
    • Issue date Jun 23, 2009
    • QSC Audio Products, LLC
    • Bernie Hawkins
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Loudspeaker array
    • Patent number D579007
    • Issue date Oct 21, 2008
    • QSC Audio Products, Inc.
    • Bernie Hawkins
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Loudspeaker array
    • Patent number D560207
    • Issue date Jan 22, 2008
    • QSC Audio Products, Inc.
    • Bernie Hawkins
    • D14 - Recording, communication, or information retrieval equipment

Patents Applicationslast 30 patents

  • Information Patent Application

    Curved line array loudspeaker
    • Publication number 20080085027
    • Publication date Apr 10, 2008
    • QSC Audio Products, Inc.
    • Mark E. Engebretson
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Spiral line array loudspeaker
    • Publication number 20080085028
    • Publication date Apr 10, 2008
    • QSC Audio Products, Inc.
    • Mark E. Engebretson
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Curved line array with horizontal coverage control
    • Publication number 20080085026
    • Publication date Apr 10, 2008
    • QSC Audio Products, Inc.
    • Mark E. Engebretson
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE