John L. Roche

Person

  • St. Paul, MN, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Low profile ostomy filter

    • Patent number 5,417,678
    • Issue date May 23, 1995
    • Minnesota Mining and Manufacturing Company
    • Nicholas R. Baumann
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE