TREA

Henry T. Viuhko

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  • Peterborough, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Acoustic transducer
    • Patent number 5,339,292
    • Issue date Aug 16, 1994
    • Milltronics Ltd.
    • William J. Brown
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
  • Information Patent Grant

    Instrument housing
    • Patent number D344682
    • Issue date Mar 1, 1994
    • Milltronics Ltd.
    • William J. Brown
    • D10 - Measuring, testing, or signalling instruments