U.S. federal trademark · Serial No. 79003987 · Reg. No. 3029352
Quartz; refractory clay; silicon carbide for refractory purposes
Chemicals used in industry, namely, olivine; tempering chemicals and soldering chemical preparations; processed and unprocessed industrial minerals, namely, fused alumina, andalusite, barites, bauxite, bentonite, brucite, calcium carbonate, chromite, dolomite, fluorspar, garnet, graphite, iron oxide, magnesite, micacceous iron oxide, mullite, synthetic quartz, talc and steatite, vermiculite, wollastonite, zircon, boron, ilmenite, kyanite, manganese, silicon carbide
Common metals and their alloys, namely, chrome iron, zirconium; ores, namely, iron ore, manganese ore and annealing ore
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