Dorrance Oldenburg

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Peoria, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Auger-type tree cutter
- Patent number 4,153,086
- Issue date May 8, 1979
- Caterpillar Tractor Co.
- Dorrance Oldenburg
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Corrugated blade for tree harvester
- Patent number 4,057,087
- Issue date Nov 8, 1977
- Caterpillar Tractor Co.
- Dorrance Oldenburg
- 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
Shear assembly for tree harvester
- Patent number 3,996,982
- Issue date Dec 14, 1976
- 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
Information Patent Grant
Debarking assembly for tree harvesters
- Patent number 3,941,174
- Issue date Mar 2, 1976
- Caterpillar Tractor Co.
- Dorrance Oldenburg
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...