U.S. federal trademark · Serial No. 75333432 · Reg. No. 39704581
quartz glass and semifinished quartz tubes, rods, plates and blocks for general use in the lighting industry, in the chemical industry and in the semiconductor industry
[ quartz lamp vessels for ultra-violet radiators and for infrared radiators ]
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.