U.S. federal trademark · Serial No. 73364867 · Reg. No. 1252252
Waste Treatment Units Comprising Tanks and Rotary Vacuum Filters for Removing Sludge; Coalescing Oil-Water Separators, Followed by Water Drain Off; Chemical Treatment Systems for Coagulating Solids; Precipitating Units for Adding Chemicals to Precipitate Materials from Solutions and Recovery of the Liquids and Solids
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