ALLIS-CHALMERS
ELECTRIC MOTORS, ELECTRIC GENERATORS, CIRCUIT BREAKERS, RELAYS, CONTRACTORS, ELECTRIC SWITCHES, TRANSFORMERS, ELECTRICAL INSULATING LIQUID, SWITCH- GEAR, SWITCHHOUSES, SUBSTATIONS, SWITCHBOARDS, SWITCHPANELS, RECTIFIERS, ELECTRIC HOISTING APPARATUS,; ELECTRIC CONTROL APPARATUS IN THE NATURE OF ELECTRICAL SYNCHRONIZERS, VOLTAGE REGULATORS, CURRENT REGULATORS, SPEED REGULATORS, TENSION REGULATORS, RHEOSTATS, AND MOTOR STARTERS; SYNCHRONOUS CONDENSERS, FEEDER VOLTAGE REGULATORS, INDUCTION ELCTRO...
Expired · December 14, 1949 · 71589294 ·