U.S. federal trademark · Serial No. 77700165 · Reg. No. 3926247
Heat exchangers not being parts of machines for refrigeration, power generation, HVAC, petrochemical, and diesel/marine system applications
Heat exchangers being parts of machines for refrigeration, power generation, HVAC, petrochemical, and diesel/marine system applications
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.