TREA

Richard Arthur Schafer

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  • Traer, IA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tractor hitch with yoke having pivotally supported upper end
    • Patent number 4,397,359
    • Issue date Aug 9, 1983
    • Deere & Company
    • David S. Price
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Draft sensing device including load pin with free end
    • Patent number 4,271,910
    • Issue date Jun 9, 1981
    • Deere & Company
    • Richard A. Schafer
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Tractor implement hitch
    • Patent number 4,219,212
    • Issue date Aug 26, 1980
    • Deere & Company
    • Richard A. Schafer
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Tractor hitch
    • Patent number 4,216,975
    • Issue date Aug 12, 1980
    • Deere & Company
    • Richard A. Schafer
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Ball coupling
    • Patent number 4,008,906
    • Issue date Feb 22, 1977
    • Deere & Company
    • Richard Arthur Schafer
    • B60 - VEHICLES IN GENERAL