U.S. federal trademark · Serial No. 79029145 · Reg. No. 3298326
Treatment of materials, namely purifying, smelting, refining, alloying, galvanizing, and electrolyzing metals, metal ores, and metal concentrates
Mining extraction of metals and metal ores
Common metals, namely zinc, lead, cadmium, and copper, and alloys of such metals; unwrought and partly wrought metals, namely zinc, lead, cadmium, and copper; metal ores and concentrates of zinc, lead, cadmium, and copper
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