U.S. federal trademark · Serial No. 71488234 · Reg. No. 0420872
APPARATUS FOR CONTROLLING OR MODIFYING ELECTRICAL CURRENTS-NAMELY, ALTERNATING CURRENT RECTIFYING SYSTEMS, ELECTRIC CURRENT AMPLIFIERS, AUTOMATIC SELF-REGULATING BATTERY CHARGERS, CHOKES, ELECTRIC RESISTANCE WELDERS, ((GENERATORS OF HIGH FREQUENCY INDUCTION HEATING CURRENT, TRANSFORMERS, VIBRATORY FEEDER CONTROLLERS, AND)) VOLTAGE REGULATORS
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