FRACTOMETER
Filed: December 19, 1977
SPECIMEN FRACTURE TOUGHNESS TESTING MACHINE
Owned by: TERRA TEK, INC.
Serial Number: 73152654
TERRATEK SYSTEMS
Filed: August 25, 1980
Instruments for Testing Stress and Fracture Toughness
Owned by: TERRA TEK, INC.
Serial Number: 73275447
TERRATEK INTERNATIONAL
Filed: September 2, 1980
Tensile Strength Testing Units
Owned by: TERRA TEK, INC.
Serial Number: 73276490
TERRATEK CORE SERVICES
Filed: September 28, 1981
Providing Detailed Analysis of Rock Core Specimens from Core Drilling Operations
Owned by: TERRA TEK, INC.
Serial Number: 73330130
DRL
Filed: November 25, 1981
Drilling Equipment Laboratory Research Services
Owned by: TERRA TEK, INC.
Serial Number: 73335595
TERRAFRAC
Filed: February 19, 1985
PRERECORDED COMPUTER PROGRAMS
Owned by: TERRA TEK, INC.
Serial Number: 73522912
ELECTRONIC CORE INFORMATION MANAGEMENT
Filed: May 12, 1997
business services, namely, generation, storage and management of geotechnical information
Owned by: TERRA TEK, INC.
Serial Number: 75289756
ECIM
Filed: May 12, 1997
business services, namely, generation, storage and management of geotechnical information
Owned by: TERRA TEK, INC.
Serial Number: 75289760
