U.S. federal trademark · Serial No. 71697445 · Reg. No. 0628707
COAL BURNERS, OIL BURNERS, GAS BURNERS, FURNACES, BOILERS, WATER HEATERS, FURNACE-BURNER UNITS, BOILER-BURNER UNITS, CENTRAL COOLING UNITS, CENTRAL HEATING UNITS, ROOM HEATING UNITS, ROOM COOLING UNITS, AIR TEMPERING CONVECTORS, STEAM RADIATORS, AND STEAM TURBINE DRIVEN AIR CIRCULATING FANS
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