TREA

Robert Chang

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  • Hillsborough, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for improving implant fixation
    • Patent number 5,258,029
    • Issue date Nov 2, 1993
    • Collagen Corporation
    • George H. Chu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Method for improving implant fixation
    • Patent number 5,207,710
    • Issue date May 4, 1993
    • Collagen Corporation
    • George H. Chu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Implant fixation
    • Patent number 5,108,436
    • Issue date Apr 28, 1992
    • Collagen Corporation
    • George H. Chu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE