Frederick O. Olsen

Person

  • Oakdale, MN, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Light occlusive eye patch

    • Patent number 4,944,040
    • Issue date Jul 31, 1990
    • Minnesota Mining and Manufacturing Company
    • John E. Riedel
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE