U.S. federal trademark · Serial No. 87983464 · Reg. No. 6471330
Indoor air quality and ventilation systems comprised of air filters, fans, exchangers, ventilators, and electronic wall controls; central fan integrated ventilation systems comprised of ventilating exhaust fans, air intake ducts with motorized dampers, air handlers, fan cycling controllers, and blowers; balanced ventilation systems comprised of fans, air handlers, motorized dampers, and ventilators; electrostatic air filters for domestic use; particulate matter air filters for domestic use; ventilating exhaust fans; range hoods; air exchangers for supplying, exhausting, cleaning, purifying, heating, humidifying, dehumidifying, and cooling the air; air filtering installations; power attic ventilators for household use; energy recovery ventilators; heat recovery ventilators; air filters and ventilators to decrease air pollution for domestic use
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.