U.S. federal trademark · Serial No. 90086131 · Reg. No. 6654643
Treatment and blending of minerals, ores, concentrates, and mineral substances; mineral processing and refining; metal refining services, namely, copper, nickel, cobalt, and silver refining; recovery, processing and treatment of copper, nickel, cobalt, and silver, and by-products of mining and refining of copper, nickel, cobalt, silver, and other minerals
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