Donald W. Johnson

Person

  • Minerva, OH, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Lavage handpiece

    • Patent number 4,519,385
    • Issue date May 28, 1985
    • Snyder Laboratories, Inc.
    • Robert W. Atkinson
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE