U.S. federal trademark · Serial No. 78879433 · Reg. No. 3398535
ventilation systems comprising zone return/exhaust terminals, flow regulators, dampers and ventilation fans, all for residential and commercial use
ventilation systems comprising ventilation control devices; and zone climate control systems consisting of ventilation control devices
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.