July 28, 1943 Trademark Filings

AMMOGAS
METAL HARDENING ELECTRIC FURNACES AND AMMONIA DISSOCIATORS FOR CONTROLLING THE CHEMICAL COMPOSITION OF THE ATMOSPHERE IN THE HEAT TREATING CHAMBERS IN SUCH FURNACES
Expired  ·  July 28, 1943  ·  71462383  · 
WECO
LEATHER
Expired  ·  July 28, 1943  ·  71462382  · 
CAMOUFLAGE
SAFETY RAZOR BLADES
Expired  ·  July 28, 1943  ·  71462367  · 
ETCHORITE
SOLUTION USED FOR MAKING A LITHOGRAPHIC PLATE PHOTOSENSITIVE
Expired  ·  July 28, 1943  ·  71462362  · 
N-P
PARASITICIDES
Expired  ·  July 28, 1943  ·  71462359  ·