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Alfred S. Poturnicki Jr.

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  • Duxbury, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sonar transducer
    • Patent number 5,099,460
    • Issue date Mar 24, 1992
    • Seabeam Instruments, Inc.
    • Alfred Poturnicki
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
  • Information Patent Grant

    Sonar transducer with explosive shock protector
    • Patent number 5,065,372
    • Issue date Nov 12, 1991
    • General Instrument Corp.
    • Joe Garwood
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Hydrophone with extended operational life
    • Patent number 4,782,470
    • Issue date Nov 1, 1988
    • General Instrument Corp.
    • Alfred S. Poturnicki
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS