U.S. federal trademark · Serial No. 85719367
Purification installations for sewage; Sewage purification apparatus; Sewage purification installations; Sewage treatment plants; Waste water purification units; Waste water purification apparatus, installations and tanks; Waste water treatment tanks; Water purification installations; Water treatment apparatus, namely, clarification and thickening machines for use in treatment of liquids in the nature of water, waste water and industrial water
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