Polydril Trademarks

POLYDRIL
FLOCCULATING AGENTS
Cancelled  ·  October 23, 1959  ·  72083870  · 
POLYDRILL
CHEMICAL GOODS FOR INDUSTRIAL PURPOSES, NAMELY- OIL FIELD CHEMICALS, NAMELY, ADDITIVES FOR FLUIDS FOR THE DRILLING, COMPLETION AND WORKOVER OF OIL WELLS
Cancelled  ·  December 12, 1985  ·  73573041  ·