John H. Williamson

Person

  • Hamilton, NZ

Patents Grantslast 30 patents

  • Information Patent Grant

    Milking machinery

    • Patent number 5,052,341
    • Issue date Oct 1, 1991
    • The Director General of the Ministry of Agriculture and Fisheries
    • Murray W. Woolford
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING