U.S. federal trademark · Serial No. 75321287 · Reg. No. 2120357
Insulating materials, namely, fused silica and fused magnesia for use as electrical insulation
glass, namely, fused silica glass and fused quartz glass in the form of ingots, tubes, rods, plates, discs, trays and containers
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.