U.S. federal trademark · Serial No. 73834272 · Reg. No. 1609678
HEATING, COOLING AND AIR CONDITIONING APPARATUS, NAMELY, HEAT TRANSFER ELEMENTS AND ENCLOSURES THEREFOR, HEATING AND VENTILATING UNITS AND PARTS THEREFOR; DIFFUSERS FOR FORCED AIR HEATING AND COOLING SYSTEMS, AND FLUID AND ELECTRIC RADIATORS, NAMELY, FINNED TUBE HEAT TRANSFER ELEMENTS AND ENCLOSURES
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