Lawrence Bernard Olson

Person

  • Princeton, MN, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Portable ground thawing apparatus

    • Patent number 6,408,843
    • Issue date Jun 25, 2002
    • Ground Specialties, Inc.
    • Lawrence Bernard Olson
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING