73803620
May 31, 1989
Oct 8, 1991
Active Trademark
APPARATUS FOR THE CONTROL OF PROCESS AND PRODUCTION VARIABLES; NAMELY, POWER CONTROLLERS, INSTRUMENTATION FOR MEASURING CURRENT, VOLTAGE, POWER, POWER FACTOR AND ENERGY, EXTRUSION DEVICE CONTROLLERS, TEMPERATURE CONTROLS, TEMPERATURE SENSORS; COMMUNICATION CONTROL PACKAGES COMPRISED OF INTERFACES AND CONVERTERS; CONTROLLERS FOR MEASURING PROCESS VARIABLES SUCH AS TEMPERATURE, FLOW, PRESSURE, OXYGEN AND CO2 CONTENT, RELATIVE HUMIDITY AND THE LIKE; PROGRAMMER CONTROLLERS, TEMPERATURE AND PROCESS MONITORS/INDICATORS; PRESSURE TRANSDUCERS, THYRISTOR UNITS, CALIBRATION DEVICES FOR MEASURING TEMPERATURE, DIGITAL INDICATORS, POWER LOAD SEQUENCERS, RMS VOLTAGE CONVERTERS, ANALOG TO DIGITAL AND DIGITAL TO ANALOG CONVERTERS; COMPUTER SOFTWARE FOR USE IN THE CONTROL OF PROCESS AND PRODUCTION VARIABLES; AND PARTS FOR THE FOREGOING
Electrical and Scientific Apparatus