U.S. federal trademark · Serial No. 85726331
Ducts and pipes of metal for heating installations, air-conditioning installations and ventilating installations; duct and pipe couplings, duct and pipe elbows, duct and pipe joints, duct and pipe collars and duct and pipe connectors all made wholly or principally of metal
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.