TREA

William Nyugen

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  • San Diego, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pressure regulating earplug
    • Patent number 6,820,717
    • Issue date Nov 23, 2004
    • Howard Leight Industries, LLC
    • Thomas W. Fleming
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Wire band earmuff
    • Patent number 6,611,963
    • Issue date Sep 2, 2003
    • Bacon USA Safety, Inc.
    • Edwin Woo
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Pressure regulating earplug
    • Publication number 20040163882
    • Publication date Aug 26, 2004
    • Thomas W. Fleming
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Wire band earmuff
    • Publication number 20030079275
    • Publication date May 1, 2003
    • Edwin Woo
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE