74166153
May 13, 1991
Nov 17, 1992
HYDRO ELECTRONIC DEVICES CORPORATION
Active Trademark
electronic controls; namely, joy sticks, control levers, load moment indicators, microprocessor-based single board controllers and intelligent controllers, and radio, infrared and fiber optic cable remote control systems comprising microprocessor-based receiver and transmitter and sensors, all for use in cranes, excavators, boom trucks, firefighting trucks, asphalt pavers, mobile aerial work platforms and concrete pumping trucks
Electrical and Scientific Apparatus