MOTORMASTER
Filed: August 2, 1991
power-operated tools and accessories for use in the drilling and servicing of oil and gas wells; namely, downhole fluid…
Owned by: Canadian Fracmaster Ltd.
Serial Number: 74190930
FRACMASTER
Filed: October 2, 1996
well-fracturing preparations, namely, fluids for injection into gas and oil wells to split rock by means of hydraulic pressure…
Owned by: Canadian Fracmaster Ltd.
Serial Number: 75175651
FRACMASTER
Filed: November 12, 1996
well-fracturing preparations, namely, fluids for injection into gas and oil wells to split rock by means of hydraulic pressure…
Owned by: Canadian Fracmaster Ltd.
Serial Number: 75196689
F
Filed: May 2, 1997
well-fracturing preparations, namely, fluids for injection into gas and oil wells to spilt rock by means of hydraulic pressure…
Owned by: Canadian Fracmaster Ltd.
Serial Number: 75285731
