U.S. federal trademark · Serial No. 74053045 · Reg. No. 476715
air preheaters, gas cooling apparatus, gas preheating apparatus, heat exchangers, hot air generators, heat recuperation equipment; namely, economizers and reformers for industrial boilers and heaters, and component parts therefor
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.