TREA

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  • Hasbergen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Seed drill
    • Patent number 4,366,760
    • Issue date Jan 4, 1983
    • Amazonen-Werke
    • Heinz Dreyer
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Centrifugal spreader, especially for granulated fertilizers
    • Patent number 4,351,481
    • Issue date Sep 28, 1982
    • Amazonen-Werke
    • Heinz Dreyer
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Seed drill mounting arrangement
    • Patent number 4,275,670
    • Issue date Jun 30, 1981
    • Amazonen-Werke
    • Heinz Dreyer
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Seed and fertilizer drill drive
    • Patent number 4,263,858
    • Issue date Apr 28, 1981
    • Amazonen-Werke
    • Heinz Dreyer
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Seed drill having parallel guide means for the movable shank
    • Patent number 4,208,974
    • Issue date Jun 24, 1980
    • Amazonen-Werke
    • Heinz Dreyer
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Machine for spreading fertilizer and seed
    • Patent number 4,202,474
    • Issue date May 13, 1980
    • Amazonen-Werke
    • Heinz Dreyer
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING