by Ray S. Hostager legal representative

Person

  • Stillwater, MN, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Ergonometric stethoscope chestpiece

    • Patent number D337381
    • Issue date Jul 13, 1993
    • Minnesota Mining and Manufacturing Company
    • Joel R. Dufresne
    • D24 - Medical and laboratory equipment