Electrical and scientific apparatus Trademarks Filed in July 21, 1948
RAILWEAR
Filed: July 21, 1948
METAL WELDING ELECTRODES
Owned by: NATIONAL CYLINDER GAS COMPANY
Serial Number: 71561850
GASARC
Filed: July 21, 1948
ELECTRIC WELDING APPARATUS AND PARTS THEREOF
Owned by: NATIONAL CYLINDER GAS COMPANY
Serial Number: 71561851
