David J. Andrews

Person

  • West St. Paul, MN, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Abrasion resistant prosthetic device

    • Patent number 5,026,398
    • Issue date Jun 25, 1991
    • The Minnesota Mining and Manufacturing Company
    • Steven J. May
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE