U.S. federal trademark · Serial No. 73744010 · Reg. No. 1609667
WASTEWATER TREATMENT SYSTEMS COMPRISING AERATION CONTACT TANKS, AEROBIC DIGESTERS, AIR DIFFUSERS, CLARIFIERS, CLARIFIER DRIVE MECHANISMS, SCUM COLLECTORS, WASTE SLUDGE AIRLIFT PUMPS, SCUM REMOVAL AIRLIFT PUMPS, FLOW MEASURING WEIRS, AERATION BLOWERS, RECYCLE PUMPS, FROTH CONTROL PUMPS, POLYMER FEED SYSTEMS, CARBON EDUCTORS AND/OR MOTOR CONTROL CENTERS SOLD AS A UNIT
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