U.S. federal trademark · Serial No. 85934165 · Reg. No. 4509528
Waste water treatment units comprising tanks and rotary vacuum filters for removing sludge; Coalescing oil-water separators, followed by water drain off, for the cleaning and purification of liquids; Water treatment equipment in the nature of chemical treatment systems for coagulating solids, namely, precipitating units for adding chemicals to precipitate materials from solutions and recovery of the liquids and solids
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