TREA

Douglas J. Medema

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  • Plainwell, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Trocar assembly
    • Patent number 5,941,852
    • Issue date Aug 24, 1999
    • Imagyn Medical Technologies California, Inc.
    • David A. Dunlap
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Trocar assembly
    • Patent number 5,855,566
    • Issue date Jan 5, 1999
    • UroHealth, Inc. (California)
    • David A. Dunlap
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Trocar assembly
    • Patent number 5,538,509
    • Issue date Jul 23, 1996
    • Richard-Allan Medical Industries, Inc.
    • David A. Dunlap
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE