75888780
Jan 6, 2000
Oct 9, 2001
Active Trademark
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
Electrical and Scientific Apparatus