BICO DRILLING TOOLS, INC. Trademarks
FLEX DRILL
Filed: March 4, 1992
oilfield tool parts; namely, downhole drilling motors
Owned by: BICO DRILLING TOOLS, INC.
Serial Number: 74251992
VARI-BORE
Power operated hole opener for enlarging existing bore holes
Owned by: BICO DRILLING TOOLS, INC.
Serial Number: 75888743
