U.S. federal trademark · Serial No. 78299763
RESPIRATORS OTHER THAN FOR ARTIFICIAL RESPIRATION; BREATHING APPARATUS; NAMELY, COMPRESSED OXYGEN AND AIR CARTRIDGES SOLD AS A UNIT WITH STORAGE PACKS FOR THE COMPRESSED OXYGEN AND AIR CARTRIDGES; RESPIRATORY MASK FILTERS; PRESSURE GAUGES; FLOW SWITCHES; ELECTRIC OR ELECTRONIC SENSORS FOR AIR QUALITY
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