U.S. federal trademark · Serial No. 73834970 · Reg. No. 1598451
FRESH AIR HEATER SYSTEMS COMPRISING OUTSIDE INTAKES AND DUCTS FOR FEEDING FRESH AIR INTO A FORCED HOT AIR CIRCULATION SYSTEMS, WHEREIN THE FRESH AIR IS HEATED BY FLOWING OVER A FLUE VENT
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.