U.S. federal trademark · Serial No. 99334594 · Reg. No. 019218540
Steel wool; unworked or semi-worked glass, not for building; articles made from fused quartz glass and fused silica, in particular pipes, bars, boards, and blocks all for general industrial and further manufacturing use; unworked or semi-worked fused quartz glass, not for building; semi-finished articles made from fused quartz glass, namely, tubes, rods, discs, and rings all for the manufacture of optical fibers; vitreous silica fibers, not for textile purposes
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.