U.S. federal trademark · Serial No. 76699719 · Reg. No. 3808826
Metallic tube sleeves for repairing heat exchanger and condenser tubes
Repair services, namely, repairing of heat exchanger and condenser tubes by expanding a metallic tube sleeve within the inlet end of a host tube
Machine for expanding metallic tube sleeves within host heat exchanger and condenser tubes
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.