Duroloy Trademarks

DUROLOY
Welding rods of metal; flux coated rods for welding, of metal; welding wire
Abandoned  ·  May 27, 2020  ·  79290844  · 
duroloy
DUROLOY
Non-Metallic Antifriction Devices in the Nature of Non-Lubricated Bearing Surfaces
Cancelled  ·  October 27, 1961  ·  72130829  ·