U.S. federal trademark · Serial No. 71505488 · Reg. No. 0437575
HEATING, VENTILATING, AND AIR CONDITIONING APPARATUS-NAMELY, GAS AND OIL FIRED HEATING EQUIPMENT, CYCLONE AND WET SEPARATORS, VENTILATION HOODS, BLOWERS BIFURCATORS, EXHAUST APPARATUS, HUMIDIFIERS, SPRAY WASHERS, DRYING AND AIR COOLING APPARATUS
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