Bull Dog Tool Inc. Trademarks
BULL DOG
Filed: July 26, 1983
Oil Well Clean Out Tools-Namely, Well Borehole Bailers
Owned by: Bull Dog Tool Inc.
Serial Number: 73436359
MULTIPLIER
Filed: January 14, 1988
WELL CLEAN OUT TOOLS, NAMELY, WELL BOREHOLE BAILERS
Owned by: Bull Dog Tool Inc.
Serial Number: 73705609
BULLDAUGER
Filed: December 13, 1993
power-operated oil well clean-out tool in the nature of an auger for removing solid debris from oil wells
Owned by: Bull Dog Tool Inc.
Serial Number: 74469081
BULL DOG ISOLATOR
Filed: November 5, 1997
DEVICE FOR USE WITH OIL WELL PUMPS WHICH PREVENTS DEBRIS FROM SETTLING AROUND THE PUMP BARREL, NAMELY, A PUMP PACKER
Owned by: Bull Dog Tool Inc.
Serial Number: 75385493
