ARMSTRONG

Abstract

[ STOCKS AND DIES FOR PIPE THREADING PURPOSES, HAND AND POWER PIPE THREADING MACHINES, AND PARTS THEREOF, CUTTING MACHINES AND PARTS THEREOF, CEILING NIPPLE THREADERS, PIPE CUTTERS AND PARTS THEREOF, PIPE CUTTER WHEELS, TUBE CUTTERS AND PARTS THEREOF, TUBE CUTTER WHEELS, BURRING REAMERS, ] RATCHETS, SWIVEL HANDLES AND PARTS THEREOF, WRENCHES, [ PIPE RESTS, COUNTERSHAFTS, PULLEYS, VISE POSTS AND PARTS THEREOF, VISE STANDS AND BENCHES USED IN CONNECTION WITH PIPE THREADING TOOLS AND PARTS THEREOF, VISES, FLANGING TOOLS, AND BENDING SPRINGS ]