Patent Assignment
Reel/Frame 041269/0939
Assignment of Assignor's Interest
Recorded: 2017-02-16
Pages: 4
Assignee
LANDMARK GRAPHICS CORPORATION
2107 CITY WEST BLVD, BLDG. 2, HOUSTON, TEXAS, 77042
Covered Property
(1)
Directional Driller Quality Reporting System and Method