U.S. federal trademark · Serial No. 71639623 · Reg. No. 0581051
TANTALUM,TUNGSTEN,MOLYBDENUM,AND COLUMBIUM;ALLOYS OF TANTALUM,TUNGSTEN,MOLYBDENUM,AND COLUMBIUM,POWDER METALLURGY COMPOSITIONS AND ALLOYS OF REFRACTORY METALS,PRECIOUS METALS AND METALLIC AND NONMETALLIC ELEMENTS AND COMPOUNDS - NAMELY,POWDER METALLURGY COMPOSITIONS AND ALLOYS CONTAINING TWO OR MORE OF THE FOLLOWING;TUNGSTEN,MOLYBDENUM,SILVER,COPPER,GOLD,PLATINUM,RUTHENIUM,IRIDIUM,PALLADIUM,COBALT,CADMIUM,NICKEL,GERMANIUM,IRON,CARBON,AND TUNGSTEN CARBIDE
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