TREA

John C. Hetzler Jr.

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  • Laurel, MD, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Submarine emergency communication transmitter
    • Patent number 5,003,515
    • Issue date Mar 26, 1991
    • The United States of America as represented by the Secretary of the Navy
    • Albert S. Will
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Missile delivered explosive sound system
    • Patent number 4,478,148
    • Issue date Oct 23, 1984
    • The United States of America as represented by the Secretary of the Navy
    • Albert Applebaum
    • F42 - AMMUNITION BLASTING
  • Information Patent Grant

    Sonobuoy system
    • Patent number 4,323,988
    • Issue date Apr 6, 1982
    • The United States of America as represented by the Secretary of the Navy
    • Albert S. Will
    • G01 - MEASURING TESTING