U.S. federal trademark · Serial No. 76174639 · Reg. No. 30054998
quartz glass for use in the chemical, electronic and semiconductor industry, namely, bowl, frits, rods, tubes, blocks and plates
semifinished quartz glass rods, tubes, cylinders, blocks, ingots, plates, flanges and frits for use in the chemical industry, in the electronic industry, for use as auxiliary devices in the fiber optic industry and for use in the semiconductor industry
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.