U.S. federal trademark · Serial No. 76033737 · Reg. No. 467332
Chemicals, namely, fused silica, silicon dioxide, fused magnesia and magnesium oxide for industrial use in various industries
Optical products, namely, optical glass, optical discs, prisms and lenses; laboratory glassware; and laboratory crucibles
Heating apparatus, namely, electric heaters, and furnace component parts and fittings; fused silica sheaths for electric heating elements; crucibles for industrial use
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.