FLUIDRIL
Filed: September 12, 1988
DRILLING MUD AND ADDITIVES FOR DRILLING MUD AND DRILLING FLUIDS USED IN THE FIELDS OF MINING, GEOTECHNICAL INVESTIGATION…
Owned by: CHRISTENSEN BOYLES CORPORATION
Serial Number: 73751584
CHRISDRIL
Filed: September 12, 1988
DRILLING AND CUTTING TOOLS AND EQUIPMENT, NAMELY, DRILL BITS AND CORE BITS USED IN MINING AND MINERAL EXPLORATION
Owned by: CHRISTENSEN BOYLES CORPORATION
Serial Number: 73751585
ACCU-DRIL
Filed: February 20, 1990
mud motors for use in drilling
Owned by: CHRISTENSEN BOYLES CORPORATION
Serial Number: 74030422
CHRIS-PIPE
Filed: August 7, 1990
plastic well castings for water wells
Owned by: CHRISTENSEN BOYLES CORPORATION
Serial Number: 74085760
CHRIS-LOC
Filed: August 7, 1990
plastic well caps for water wells
Owned by: CHRISTENSEN BOYLES CORPORATION
Serial Number: 74085761
CHRIS-TOL CLEAN
Filed: August 7, 1990
chemicals for dispersing or dissolving iron in water wells
Owned by: CHRISTENSEN BOYLES CORPORATION
Serial Number: 74085762
