U.S. federal trademark · Serial No. 71561770 · Reg. No. 0525994
SOLENOID OR DIAPHRAGM TYPE MAGNETIC GAS VALVES AND MAGNETIC OIL VALVES; ELECTRIC PREHEATERS FOR OIL PIPE LINES; AND ELECTRIC MOTOR REGULATORS COMPRISING A MOUNTING BRACKET, A TRANSFORMER, AND AN ELECTRIC MOTOR MOVING A LEVER ARM WHICH MAY BE USED TO OPERATE APPARATUS SUCH AS FIRE REGULATORS, BALANCED VALVES AND DAMPERS
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