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Richard P. Andresen

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  • Belmont, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Variable threshold R-wave detector
    • Patent number 4,240,442
    • Issue date Dec 23, 1980
    • American Optical Corporation
    • Richard P. Andresen
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Method and apparatus for monitoring electrocardiographic waveforms
    • Patent number 4,181,135
    • Issue date Jan 1, 1980
    • American Optical Corporation
    • Richard P. Andresen
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Time-compression system
    • Patent number 4,110,564
    • Issue date Aug 29, 1978
    • American Optical Corporation
    • Richard P. Andresen
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Graticule with cursors
    • Patent number 4,051,482
    • Issue date Sep 27, 1977
    • American Optical Corporation
    • Richard Paul Andresen
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE