Inventor
SCHAFER RICHARD A
4 patents
Patents
4 patentsUS4216975AAug 12, 1980
Tractor hitch
DEERE & CO39 citations88
US4397359AAug 9, 1983
Tractor hitch with yoke having pivotally supported upper end
DEERE & CO23 citations78
US4271910AJun 9, 1981
Draft sensing device including load pin with free end
DEERE & CO15 citations69
US4219212AAug 26, 1980
Tractor implement hitch
DEERE & CO1 citations48