U.S. federal trademark · Serial No. 75496754 · Reg. No. 2120082
Ventilation apparatus and heat recovery apparatus, namely, combined ventilating and heat exchange units for stale air extraction and filtered clean air intake, ventilation units with heat recovery and humidity control, filters; heat recovery apparatus, namely, heat exchangers for use in controlling air quality in the home; parts and fittings for all of the aforesaid goods
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.