U.S. federal trademark · Serial No. 86969519
Ducts of metal for heating installations, air-conditioning installations and ventilating installations; duct couplings, duct elbows, duct joints, duct collars and duct connectors all made wholly or principally of metal for heating installations, air-conditioning installations and ventilation installations
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.