U.S. federal trademark · Serial No. 73741234 · Reg. No. 1588567
PARTS FOR HEAT/VENTILATION/AIR CONDITIONING SYSTEMS, NAMELY AIR DAMPERS, FRESH AIR ECONOMIZERS, DIFFUSERS, AND AIR REGISTERS WITH MOTORIZED FLOW CONTROL LOUVERS
CONTROLS, NAMELY THERMOSTATS, ELECTRICAL SWITCHES, AND AUTOMATIC THERMOSTAT-CONTROL APPARATUS
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