John Karchewski

Person

  • Regina, Saskatchewan S4R 4N7, CA

Patents Grantslast 30 patents

  • Information Patent Grant

    Cultivator

    • Patent number 5,158,145
    • Issue date Oct 27, 1992
    • John Karchewski
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING