TREA

Ryan W. McMahon

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  • Seattle, WA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Toothbrush with adaptive load sensor
    • Patent number 5,784,742
    • Issue date Jul 28, 1998
    • Optiva Corporation
    • David Giuliani
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Pacing toothbrush
    • Patent number 5,544,382
    • Issue date Aug 13, 1996
    • Optiva Corp.
    • David Giuliani
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE