TREA

Frank Volin

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  • Columbia, SC, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Wheelchair width adjuster
    • Patent number 4,648,615
    • Issue date Mar 10, 1987
    • Frank Volin
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Wheelchair width adjuster
    • Patent number 4,500,109
    • Issue date Feb 19, 1985
    • Frank Volin
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Detachable wheelchair backrest
    • Patent number 4,375,295
    • Issue date Mar 1, 1983
    • Frank Volin
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Wheelchair convenience attachments
    • Patent number 4,264,085
    • Issue date Apr 28, 1981
    • Frank Volin
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE