U.S. federal trademark · Serial No. 73132587 · Reg. No. 286462
TEMPERATURE, PRESSURE, HUMIDITY, DENSITY AND LEVEL CONTROLLERS FOR USE IN HEATING, VENTILATING AND AIR CONDITIONING SYSTEMS; COMPONENTS FOR SAID CONTROLLERS-NAMELY, PNEUMATIC, ELECTRIC AND ELECTROTHERMAL DRIVES OR VALVES FOR REGULATING SAID QUANTITIES, AND VALVE DRIVES FOR DRIVING SAID REGULATING VALVES
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