William H. Boyd

Person

  • Hyattsville, MD, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Everting tube device with relative advance control

    • Patent number 4,321,915
    • Issue date Mar 30, 1982
    • The United States of America as represented by the Department of Health and H...
    • Stephen B. Leighton
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE