TREA

Christopher Nilsen

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  • Shelton, WA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tree shear blade structure
    • Patent number 4,274,457
    • Issue date Jun 23, 1981
    • Christopher Nilsen
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Tree clamp and shear support structure
    • Patent number 4,210,183
    • Issue date Jul 1, 1980
    • Christopher Nilsen
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING