Inventor

DENNING RALPH E

US3 patents

Patents

3 patents

US4293050AOct 6, 1981

Transmission-differential combination

CATERPILLAR TRACTOR CO30 citations90

US4249429AFeb 10, 1981

Unlocking differential

CATERPILLAR TRACTOR CO32 citations87

US4161890AJul 24, 1979

Friction drive contact zone

CATERPILLAR TRACTOR CO7 citations71