TREA

Robert L. Fischer

Follow

Person

  • New Lenox, IL, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Lock pin assembly
    • Patent number 4,428,255
    • Issue date Jan 31, 1984
    • Caterpillar Tractor Co.
    • Robert L. Fischer
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Lock assembly for earthworking apparatus
    • Patent number 4,324,435
    • Issue date Apr 13, 1982
    • Caterpillar Tractor Co.
    • Robert L. Fischer
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Tandem ripper assembly
    • Patent number 4,313,504
    • Issue date Feb 2, 1982
    • Caterpillar Tractor Co.
    • Robert L. Fischer
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Shear assembly having primary and secondary members
    • Patent number 4,151,868
    • Issue date May 1, 1979
    • Caterpillar Tractor Co.
    • Robert L. Fischer
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Tree shear assembly with toggle linkage
    • Patent number 4,131,144
    • Issue date Dec 26, 1978
    • Caterpillar Tractor Co.
    • Robert L. Fischer
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Tree shear-pivoted secondary blade
    • Patent number 4,100,951
    • Issue date Jul 18, 1978
    • Caterpillar Tractor Co.
    • Robert L. Fischer
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Chain delimber assembly for tree harvester
    • Patent number 4,049,032
    • Issue date Sep 20, 1977
    • Caterpillar Tractor Co.
    • Dorrance Oldenburg
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Dual shear blade assembly
    • Patent number 3,946,776
    • Issue date Mar 30, 1976
    • Caterpillar Tractor Co.
    • Dorrance Oldenburg
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING