76208691
Feb 12, 2001
Jun 10, 2003
COMPUTER HARDWARE AND COMPUTER SOFTWARE FOR CONTROLLING VALVE OPERATION AND ENABLING AUTOMATED CONTROL VALVES AND INSTRUMENTS TO COMMUNICATE AND ELECTRONIC VALVE DETECTORS, COMPRISING MONITORS, INDICATORS, SWITCHES, TRANSCEIVERS AND POSITION SENSORS FOR CONTROLLING VALVE OPERATION AND ENABLING AUTOMATED CONTROL VALVES AND PROCESS INSTRUMENTATION TO COMMUNICATE
Electrical and Scientific Apparatus