Inventor

SPIES KARL H

DE4 patents

Patents

4 patents

US5181492AJan 26, 1993

Shaft-rotated throttle disk

FREUDENBERG CARL FA28 citations91

US5044642ASep 3, 1991

Annular seal

FREUDENBERG CARL FA38 citations90

US4940248AJul 10, 1990

Seal for a magnetizable shaft

FREUDENBERG CARL FA25 citations88

US4948152AAug 14, 1990

Shaft seal

FREUDENBERG CARL FA11 citations69