TREA

Frank C. Pennypacker

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  • Loveland, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tamper indicating transmitter
    • Patent number 5,117,222
    • Issue date May 26, 1992
    • Guardian Technologies, Inc.
    • Jim McCurdy
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Remote confinement system
    • Patent number 4,999,613
    • Issue date Mar 12, 1991
    • Guardian Technologies, Inc.
    • Lon A. Williamson
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Breath alcohol testing system
    • Patent number 4,996,161
    • Issue date Feb 26, 1991
    • Guardian Technologies, Inc.
    • Patrick J. Conners
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS