U.S. federal trademark · Serial No. 73606580 · Reg. No. 1438968
SYSTEMS FOR SEPARATING A SOLID FROM A LIQUID OR A LIQUID FROM A LIQUID, CONSISTING OF TANKS, GAS DIFFUSERS, GAS SUPPLY SYSTEMS, CONTROLS FOR GAS FLOW AND LIQUID ENTRY RATES, SKIMMERS FOR REMOVING FLOATED SOLIDS OR LIQUIDS FROM THE SURFACE OF THE UNDERLYING LIQUID AND SCRAPERS FOR REMOVING SETTLED SOLIDS FROM THE BOTTOM OF THE TANKS SOLD AS A UNIT
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