U.S. federal trademark · Serial No. 73005087 · Reg. No. 1024149
HEAT TRANSFER DEVICES, THERMAL MACHINES, AND HEAT EXCHANGERS-NAMELY, COOLERS FOR AIR AND GASES, HEAT EXCHANGERS FOR HEATING AND COOLING FLUIDS, AIR HEATERS, FEED WATER HEATERS, AND FUEL OIL HEATING SYSTEMS
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.