TREA

Peter A. Swisshelm

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  • Boulder, CO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Wheelchair with pivotal back rest
    • Patent number 5,971,417
    • Issue date Oct 26, 1999
    • Sunrise Medical HHG Inc.
    • Peter A. Swisshelm
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Quick release seat
    • Patent number 5,947,562
    • Issue date Sep 7, 1999
    • Sunrise Medical HHG Inc.
    • James L. Christofferson
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE