U.S. federal trademark · Serial No. 78251872 · Reg. No. 2897210
Industrial, institutional and commercial steam or hot water generators combustion control system comprising preferred instruments PCC-III multiple-loop controller, configured to provide advanced burner control utilizing fuel and air firing rate control with both oxygen trim and variable speed fan combustion air flow control
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.