U.S. federal trademark · Serial No. 73190889 · Reg. No. 1144059
Shell and Tube Heat Exchangers, Air Cooled Heat Exchangers, Air Preheaters, Waste Heat Recovery Boilers, Pressure Vessels, Finned Tubes, and Tank Heaters
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.