TREA

Donald L. Margolis

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  • Davis, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Single chamber acoustical tonometer
    • Patent number 4,945,913
    • Issue date Aug 7, 1990
    • Welch Allyn, Inc.
    • Edward J. Krasnicki
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Double chamber acoustical tonometer
    • Patent number 4,930,507
    • Issue date Jun 5, 1990
    • Welch Allyn, Inc.
    • Edward J. Krasnicki
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE