U.S. federal trademark · Serial No. 77015586 · Reg. No. 3226622
Articles made from fused silica, fused quartz or glass, namely, ingots, tubes, rods, discs, plates and rings all for general industrial and further manufacturing use; Fused quartz as a semi-finished product, namely, ingots, tubes, rods, discs, plates and rings all for general industrial and further manufacturing use; Fused silica as a semi-finished product, namely, ingots, tubes, rods, discs, plates and rings all for general industrial and further manufacturing use; Partly worked glass, namely, ingots, tubes, rods, discs, plates and rings all for general industrial and further manufacturing use
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.