73640046
Jan 16, 1987
May 17, 1988
UNION BUTTERFIELD CORPORATION
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METAL CUTTING TOOL BITS FOR USE IN POWER-OPERATED TOOLS, NAMELY TWIST DRILLS, CUTTERS, HOBS, REAMERS, TAPS, DIES, COUNTERBORES, END MILLS, AND CARBIDE AND CARBIDE-TIPPED DRILLS, END MILLS AND REAMERS