Patent Assignment
Reel/Frame 027569/0872
Assignment of Assignor's Interest
Recorded: 2012-01-20
Pages: 3
Assignor
REITSMA, DONALD G.
Executed: 2011-08-17
Assignee
AT-BALANCE AMERICAS LLC
3600 BRIARPARK DRIVE, HOUSTON, TEXAS, 77042
Covered Property
(1)
Method for Determining Fluid Control Events in a Borehole Using a Dynamic Annular Pressure Control System
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.