U.S. federal trademark · Serial No. 75888780 · Reg. No. 2495671
AUTOMATIC CHECK VALVES, PRINCIPALLY OF METAL, TO CONTROL THE FLOW OF GASES AND LIQUIDS IN INDUSTRIAL AND MUNICIPAL APPLICATIONS, NAMELY, GAS TRANSMISSION PUMPING STATIONS, AIR COMPRESSORS, AERATION BLOWERS, WATER TREATMENT, SEWAGE TREATMENT, GAS DRYERS, AIR CONDITIONING SYSTEMS
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