U.S. federal trademark · Serial No. 74061892 · Reg. No. 1684145
semi-processed plastic materials (non-textile) in sheet form for use in the manufacturing of filters; semi-processed filtering and/or separating materials in the form of plastic membranes or plastic hollow fibers for use in the manufacture of filters
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.