TREA

Harold O. Koch

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  • Barboursville, WV, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Chrondroitin sulfate/sodium hyaluronate composition
    • Patent number 6,051,560
    • Issue date Apr 18, 2000
    • Nestle S.A.
    • Allison S. Chang
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Opthalmic wafer
    • Patent number 4,638,056
    • Issue date Jan 20, 1987
    • Cilco, Inc.
    • Wayne B. Callahan
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Intraocular lens delivery system
    • Patent number 4,615,703
    • Issue date Oct 7, 1986
    • Cilco, Inc.
    • Wayne B. Callahan
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE