Willfried Schramm

Person

  • Ann Arbor, MI, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Oral fluid collection article

    • Patent number 4,817,632
    • Issue date Apr 4, 1989
    • BioQuant, Inc.
    • Willfried Schramm
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE