Inventor
OLDENBURG DORRANCE
6 patents
Patents
6 patentsUS4049032ASep 20, 1977
Chain delimber assembly for tree harvester
CATERPILLAR TRACTOR CO20 citations81
US3946776AMar 30, 1976
Dual shear blade assembly
CATERPILLAR TRACTOR CO10 citations72
US4153086AMay 8, 1979
Auger-type tree cutter
CATERPILLAR TRACTOR CO10 citations71
US4057087ANov 8, 1977
Corrugated blade for tree harvester
CATERPILLAR TRACTOR CO8 citations71
US3996982ADec 14, 1976
Shear assembly for tree harvester
CATERPILLAR TRACTOR CO8 citations71
US3941174AMar 2, 1976
Debarking assembly for tree harvesters
CATERPILLAR TRACTOR CO9 citations71