U.S. federal trademark · Serial No. 98601570 · Reg. No. 7736882
A passive ventilating and bathroom exhaust fan flow meter that utilizes a digital manometer to measure exhaust-only flows designed for use as bath fans, kitchen exhaust, room returns, and whole-house ventilation
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.