71287291
Jul 18, 1929
Mar 4, 1930
TOOLS FOR TURNING, BORING, PLANING, SLOTTING, THREADING, CHASING, BROACHING, KNURLING, DRILLING, MILLING, REAMING, PUNCHING, SHEARING, SCRATCHING, FILING, SCRAPING SPINNING, ROLLING, SAWING, STAMPING, PIERCING, EXTRUDING, TAPPING, AND CHISELING, PRIMARILY INTENDED FOR APPLICATION BY HAND AND MACHINE IN THE USUAL MANNER TO THE WORKABLE MATERIALS,SUCH AS METAL, WOOD, STONE, GLASS, ETC.,
Yarns and Threads