U.S. federal trademark · Serial No. 77745812 · Reg. No. 3823789
Stainless steel seals for heat exchangers, but not including heat exchangers in original equipment (OEM) manufacture and aftermarket applications for the marine industry and industrial downhole drilling for oil and natural gas exploration and production
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.