Corrective Assignment to Correct the Assignee Previously Recorded on Reel 021273 Frame 0186. Assignor(S) Hereby Confirms the Assignment.

Recorded: 2011-11-06 Pages: 5

Assignor

SAMUEL, ROBELLO

Executed: 2011-05-24

Assignee

LANDMARK GRAPHICS CORPORATION

P. O. BOX 42806, HOUSTON, TEXAS, 77242

Covered Property (1)

Systems and Methods for Modeling Wellbore Trajectories

Patent: 8,862,436 →

Application: 12/145,376 →

Publication: US 2009/0319241

Related Assignments (1)

Other recorded transfers of the patent in this record — the chain of ownership.