TREA

David B. McCallum

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  • San Francisco, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Flexible lifting apparatus
    • Patent number 5,827,314
    • Issue date Oct 27, 1998
    • Origin Medsystems, Inc.
    • John P. Lunsford
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Flexible lifting apparatus
    • Patent number 5,681,341
    • Issue date Oct 28, 1997
    • Origin Medsystems, Inc.
    • John P. Lunsford
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE