U.S. federal trademark · Serial No. 76454241 · Reg. No. 2823963
BREATHING FLOW MEASURING INSTRUMENTS AND APPARATUS, namely, SPIROMETERS, [ SPIROGRAPHS, ] GAS FLOW METERS, GAS VOLUME FLOW METERS, ANEMOMETERS AND HOT-WIRE ANEMOMETERS [ ; RESPIRATORS FOR ARTIFICIAL RESPIRATION AND ANESTHESIA MACHINES ]
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