72331144
Jun 27, 1969
Feb 2, 1971
MAGNETIC COMPONENTS INCLUDING TRANSFORMERS, REACTORS, CHOKES, FILTERS AND COILS; LOAD BANKS, POWER SUPPLIES; GENERATOR SET CONTROL DEVICES INCLUDING GENERATOR VOLTAGE REGULATORS, GENERATOR EXCITER REGULATORS, SERIES BOOST OPERATION ASSEMBLIES, MANUAL VOLTAGE CONTROL ASSEMBLIES AND UNDERFREQUENCY OVERVOLTAGE ASSEMBLIES; ELECTRIC RELAYS INCLUDING REVERSE POWER RELAYS, SYNCHRONOUS MOTOR PULLOUT RELAYS AND OVERCURRENT PROTECTIVE RELAYS; AUTOMATIC SYNCHRONIZERS; ELECTRIC MOTOR SPEED CONTROLS FOR CONSTANT AND VARIABLE SPEED MOTORS; BATTERY CHARGERS; ELECTRIC GENERATOR CONTROL SYSTEMS, STATIC POWER SYSTEMS AND UNINTERRUPTED POWER SYSTEMS; AND ELECTRICAL ASSEMBLIES AND SUBASSEMBLIES INCLUDING CIRCUIT BOARD ASSEMBLIES, TRANSFORMER RECTIFIER ASSEMBLIES, CONTROL ASSEMBLIES, SENSING ASSEMBLIES, POWER AMPLIFIER ASSEMBLIES, HEAT SINK ASSEMBLIES AND STATIC VARIABLE VOLTAGE DEVICES
Housewares and Glass