MOBILE DRILL
Filed: May 9, 1958
EARTH AND ROCK BORING EQUIPMENT
Owned by: MOBILE DRILLING COMPANY, INC.
Serial Number: 72051363
HEX-COR
Filed: February 11, 1965
SPIRAL FLIGHT EARTH AUGERS
Owned by: MOBILE DRILLING COMPANY, INC.
Serial Number: 72211827
MOBILE DRILL
Filed: January 27, 1969
EARTH AND ROCK BORING EQUIPMENT AND DRILLING UNITS
Owned by: MOBILE DRILLING COMPANY, INC.
Serial Number: 72317504
LIFELINE
Filed: October 15, 1969
AUTOMATICALLY ACTUATED SWITCHING APPARATUS FOR SHUTTING OFF THE MECHANISM OF AN EARTH AND ROCK DRILLING APPARATUS
Owned by: MOBILE DRILLING COMPANY, INC.
Serial Number: 72340727
MINUTEMAN
Filed: August 14, 1970
PORTABLE ROTARY EARTH DRILLING APPARATUS
Owned by: MOBILE DRILLING COMPANY, INC.
Serial Number: 72368037
SLIDRAMATIC
Filed: August 28, 1970
EARTH AND ROCK DRILLING APPARATUS
Owned by: MOBILE DRILLING COMPANY, INC.
Serial Number: 72369311
MOBILOK
Filed: August 1, 1973
DRILL ROD FOR SAMPLING AND ROTARY DRILLING
Owned by: MOBILE DRILLING COMPANY, INC.
Serial Number: 72464497
SAFE-T-DRIVER
Filed: May 11, 1976
HOISTS
Owned by: MOBILE DRILLING COMPANY, INC.
Serial Number: 73086808
MD
Filed: August 9, 1976
EARTH AND ROCK BORING MACHINES
Owned by: MOBILE DRILLING COMPANY, INC.
Serial Number: 73096072
TRI-LOK
Filed: June 26, 1981
Hollow-Stem Augers for Power-Operated Earth and Rock Drilling
Owned by: MOBILE DRILLING COMPANY, INC.
Serial Number: 73316583
LITE-FLITE
Filed: August 13, 1984
HOLLOW STEM AUGER FOR EARTH AND ROCK DRILLING
Owned by: MOBILE DRILLING COMPANY, INC.
Serial Number: 73494472
