Nicholas E. Schaefer

Person

  • Evergreen, CO, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Canal obstruction remover

    • Patent number 5,390,663
    • Issue date Feb 21, 1995
    • Nicholas E. Schaefer
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Marble toy

    • Patent number 5,314,367
    • Issue date May 24, 1994
    • Nicholas E. Schaefer
    • A63 - SPORTS GAMES AMUSEMENTS