U.S. federal trademark · Serial No. 85590490 · Reg. No. 4249836
Installation, maintenance and repair services for others of heat exchangers in the refining and petrochemical industries
Design for others of heat exchangers in the refining and petrochemical industries
Manufacturing services for others in the field of heat exchangers
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.