Inventor
FRITSCH ROBERT A
6 patents
Patents
6 patentsUS4160558AJul 10, 1979
Carrier frame for mobile crane
HARNISCHFEGER CORP33 citations90
US4125974ANov 21, 1978
Control system for telescopic boom
HARNISCHFEGER CORP32 citations90
US3945666AMar 23, 1976
Powered outrigger beams having stabilizing spacer pad means
HARNISCHFEGER CORP37 citations90
US4112649ASep 12, 1978
Boom section for telescopic crane boom
HARNISCHFEGER CORP29 citations80
US3944082AMar 16, 1976
Locking means for relatively movable boom sections of boom of mobile crane
HARNISCHFEGER CORP23 citations80
US3945333AMar 23, 1976
Means for storing and connecting jib for telescopic boom of mobile crane
HARNISCHFEGER CORP25 citations78