U.S. federal trademark · Serial No. 79245058 · Reg. No. 5859474
[ Common metals, unwrought or semi-wrought; tungsten ores, ] tungsten iron; [ raw cobalt ores; zirconium; ] tantalum; [ alloys of common metal; ] celtium in the nature of hafnium; niobium; molybdenum [ ; chromium ]
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