TREA

Walter Scharen

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  • Vordemwald, CH
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Patents Grantslast 30 patents

  • Information Patent Grant

    Weed control method and composition
    • Patent number 4,531,965
    • Issue date Jul 30, 1985
    • Siegfried Aktiengesellschaft
    • Jacques Meyer
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Defoliant composition and method
    • Patent number 4,440,561
    • Issue date Apr 3, 1984
    • Siegfried Aktiengesellschaft
    • Jacques Meyer
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Herbicide
    • Patent number 4,211,551
    • Issue date Jul 8, 1980
    • Siegfried A.G.
    • Kurt Thiele
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING