U.S. federal trademark · Serial No. 71527141 · Reg. No. 0505695
SEWAGE TREATMENT EQUIPMENT-NAMELY, ROTARY DISTRIBUTORS HAVING REVOLVING SPRAY DISTRIBUTION ARMS FOR DEPOSITING SEWAGE ON A FILTER BED, SEWAGE SLUDGE DIGESTERS IN THE FORM OF TANKS HAVING COVERS AND ADAPTED TO RECEIVE AND STORE SEWAGE SLUDGE WHILE IT UNDERGOES BACTERIAL DECOMPOSITION KNOWN AS DIGESTION, AND GAS SAFETY DEVICES-NAMELY, FLAME TRAPS, DRIP TRAPS, ACCUMULATORS FOR CONDENSATE AND SEDIMENT, PRESSURE RELIEF VALVE STRUCTURES, AND PILOT LINE FLAME CELLS
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