Inventor

LOBMEYER RAYMOND J

US2 patents

Patents

2 patents

US4335577AJun 22, 1982

Hydraulic system having variable displacement pumps controlled by power beyond flow

DEERE & CO36 citations89

US4400937AAug 30, 1983

Control for quickly effecting displacement changes in a pump supplying fluid to primary and secondary function control valves

DEERE & CO6 citations59