DURO METAL PRODUCTS COMPANY Trademarks
DURO
Filed: December 9, 1935
WRENCH SETS
Owned by: DURO METAL PRODUCTS COMPANY
Serial Number: 71372403
"SPIN-FLEX"
Filed: May 18, 1936
WRENCHES AND SCREW DRIVERS
Owned by: DURO METAL PRODUCTS COMPANY
Serial Number: 71378557
