TREA

Joseph L. Percy

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  • San Diego, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pressure compensated transducer system with constrained diaphragm
    • Patent number 5,140,560
    • Issue date Aug 18, 1992
    • The United States of America as represented by the Secretary of the Navy
    • Joseph L. Percy
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Constrained diaphragm transducer
    • Patent number 5,105,394
    • Issue date Apr 14, 1992
    • United States of America as represented by the Secretary of the Navy
    • Joseph L. Percy
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Expendable sound source
    • Patent number 5,103,432
    • Issue date Apr 7, 1992
    • The United States of America as represented by the Secretary of the Navy
    • Joseph L. Percy
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
  • Information Patent Grant

    Treatment of body tissue by means of internal cavity resonance
    • Patent number 4,216,766
    • Issue date Aug 12, 1980
    • The United States of America as represented by the Secretary of the Navy
    • Ludwig R. Duykers
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Non-linear acoustic transducer
    • Patent number 4,135,142
    • Issue date Jan 16, 1979
    • The United States of America as represented by the Secretary of the Navy
    • Joseph L. Percy
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS