U.S. federal trademark · Serial No. 86231105 · Reg. No. 4624590
Dampers, namely, control devices used in air ducts to regulate the flow of air; Ventilating exhaust fans; Ventilating fans for commercial and industrial use; Ventilating fans for household and educational use; Ventilation hoods
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.