U.S. federal trademark · Serial No. 78470198 · Reg. No. 3147543
Boiler overfire air components, namely, metallic furnace ports, dampers and ductwork sold as a unit or parts thereof for supplying and regulating overfire air to minimize nitrogen oxides emissions associated with the firing of fossil fuels
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.