Aircoloy Trademarks

AIRCOLOY
COATED ALLOY ELECTRODES FOR USE IN THE HARD FACING OF METALS BY THE ELECTRIC ARC WELDING METHOD
Expired  ·  February 25, 1949  ·  71574479  · 
AIRCOLOY
ALLOYS FOR USE IN HARD FACING METALS
Expired  ·  December 15, 1948  ·  71570532  ·