U.S. federal trademark · Serial No. 78474955 · Reg. No. 2369191
Fused silica as a semi-finished product, fused quartz as a semi-finished product, and partly worked glass, all for general industrial and further manufacturing use; 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
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.