TREA

Alan I. West

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  • Concord, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Multi-position ratchet mechanism
    • Patent number 4,424,724
    • Issue date Jan 10, 1984
    • Codman & Shurtleff, Inc.
    • John R. Bookwalter
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE