U.S. federal trademark · Serial No. 85550790 · Reg. No. TMA843227
Molded plastic tube with a pneumatic membrane that has three ports for measuring the pressure on either side of the membrane and to drain accumulated fluids, used to measure the pressure differential across the membrane for the purpose of calculating flow rates and volumes of patient breathing gases
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.