Trademark Trademarks Filed in February 18, 1938
PURE-ORE "D-C 33"
Filed: February 18, 1938
HOT WORK STEEL
Owned by: KLOSTER STEEL CORPORATION
Serial Number: 71403180
DOUBLE CIRCLE
Filed: February 18, 1938
TWIST DRILLS, REAMERS, MILLING CUTTERS, AND OTHER METAL CUTTING TOOLS
Owned by: UNITED DRILL AND TOOL CORPORATION
Serial Number: 71403184
