Inventor

ORTLEPP HILMAR

DE3 patents

Patents

3 patents

US5419129AMay 30, 1995

Hydraulic system for open or closed-centered systems

DEERE & CO27 citations90

US4664356AMay 12, 1987

Control valve

DEERE & CO7 citations71

US4463819AAug 7, 1984

Hydraulic control valve

DEERE & CO14 citations71