IP Library Assignment 027181/0704
Patent Assignment
Reel/Frame 027181/0704

Corrective Assignment to Correct the Assignee Previously Recorded on Reel 022550 Frame 0105. Assignor(S) Hereby Confirms the Assignment.

Recorded: 2011-11-06 Pages: 7
Assignors
CULLICK, ALVIN STANLEY
Executed: 2011-06-08
COLVIN, DAN
Executed: 2011-06-06
Assignee
LANDMARK GRAPHICS CORPORATION
P. O. BOX 42806, HOUSTON, TEXAS, 77242
Covered Property (1)
Systems and Methods for Planning Well Locations with Dynamic Production Criteria
Application: 12/351,754 →
Publication: US 2010/0179797
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 15, 2009
From: CULLICK, ALVIN STANLEY; COLVIN, DAN
To: LANDMARK GRAPHICS CORPORATION, A HALLIBURTON COMPANY
Reel/Frame 022550/0105 →