U.S. federal trademark · Serial No. 75340731 · Reg. No. 39707344
quartz glass and translucent fused quartz glass, semifinished quartz tubes, rods, plates and blocks for use in the industrial arts, semifinished quartz products for the manufacture of optical fibers, namely, dielectric rods, jacketing tubes, sleeving tubes, overcladding tubes, substrate tubes, handles and dummy rods
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.