TREA

John D. Lea

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  • Huntington, NY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Controlled compliance acoustic baffle
    • Patent number 5,621,701
    • Issue date Apr 15, 1997
    • Lockheed Martin Tactical Systems, Inc.
    • Alfred Denaro
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Angle tracking system
    • Patent number 4,601,025
    • Issue date Jul 15, 1986
    • Sperry Corporation
    • John D. Lea
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Beam steerable sonar array
    • Patent number 4,423,494
    • Issue date Dec 27, 1983
    • Sperry Corporation
    • Kenneth W. Groves
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS