U.S. federal trademark · Serial No. 73699707 · Reg. No. 1526727
DEPTH FILTER ELEMENTS OF ORGANIC AND/OR INORGANIC FIBERS AND POWDERS; COMPOSITE FILTERS COMPRISING A COMBINATION OF THE AFOREMENTIONED DEPTH FILTER ELEMENTS WITH FILTER MEMBRANES; CLOSED FILTER SYSTEMS WITH DEPTH FILTER ELEMENTS OR COMPOSITE FILTERS OF THE AFOREMENTIONED TYPE; ALL OF THE AFOREMENTIONED GOODS FOR THE FILTRATION OF LIQUIDS OR GASES
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