Inventor
SIMMONS JEFFREY J
US3 patents
Patents
3 patentsUS5884146AMar 16, 1999
Apparatus and method for establishing a radio frequency communications link between a controller and a remote controllable system
CATERPILLAR INC28 citations86
US5345171ASep 6, 1994
Apparatus including a selectively connectable isolation transformer for determining the speed and direction of a rotating object
CATERPILLAR INC8 citations68
US7324880B2Jan 29, 2008
Method for detecting an abnormal lifting cycle and work machine using same
CATERPILLAR INC3 citations59