Friedrich Klein

Person

  • Wedel, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Phoropter

    • Patent number 4,385,813
    • Issue date May 31, 1983
    • J. D. Moller Optische Werke GmbH
    • Friedrich Klein
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE