U.S. federal trademark · Serial No. 78973071 · Reg. No. 3386987
Fibrous filtering media for general industrial use in the purification of air and industrial fluids; filtering units for cleaning and purifying air, gases, and liquids, namely, a membrane contactor comprised of microporous hollow fibers for conducting membrane separation and transferring dissolved gases to or from a fluid stream; separators for the cleaning and purification of air; separators for the cleaning and purification of gases
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