William F. Hartmann

Person

  • Syracuse, NY, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Wheelchair steering apparatus

    • Patent number 4,241,932
    • Issue date Dec 30, 1980
    • Rothschild; Gerald W.
    • William F. Hartmann
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE