TREA

Stephen Edward Spychalski

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  • Gulfport, MS, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pressure compensated transducer
    • Patent number 6,418,792
    • Issue date Jul 16, 2002
    • Stephen Edward Spychalski
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Hydrophone pre-amplifier with self-calibration
    • Patent number 4,689,578
    • Issue date Aug 25, 1987
    • The United States of America as represented by the Secretary of the Navy
    • Stephen E. Spychalski
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Broadband matching network
    • Patent number 4,644,505
    • Issue date Feb 17, 1987
    • The United States of America as represented by the Secretary of the Navy
    • Stephen E. Spychalski
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL