STI400
Filed: September 25, 1991
well-logging service
Owned by: COMPUTALOG USA, INC.
Serial Number: 74207030
STI400
Filed: September 25, 1991
electrically powered sensing tool, computer hardware, and computer software, for use in well logging
Owned by: COMPUTALOG USA, INC.
Serial Number: 74207076
SLIMSTAK
Filed: June 7, 1996
electrically powered, microprocessor based sensors for well logging and general data acquisition in connection therewith
Owned by: COMPUTALOG USA, INC.
Serial Number: 75116062
FLEXSTAK
Filed: February 10, 1997
electrically powered, microprocessor based sensors for well logging and general data acquisition
Owned by: COMPUTALOG USA, INC.
Serial Number: 75239148
SECTOR BOND
Filed: March 21, 1997
electrically powered, radial sensory tool for well logging and general data acquisition
Owned by: COMPUTALOG USA, INC.
Serial Number: 75261648
