TREA

Andy J. Ewen

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  • Chelmsford, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Audio speaker system for personal computer
    • Patent number 6,381,335
    • Issue date Apr 30, 2002
    • Gibson Guitar Corp.
    • Henry E. Juszkiewicz
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Desktop speaker system
    • Patent number D432115
    • Issue date Oct 17, 2000
    • Gibson Guitar Corp.
    • Henry E. Juszkiewicz
    • D14 - Recording, communication, or information retrieval equipment