Patent Assignment
Reel/Frame 023866/0706
Assignment of Assignor's Interest
Recorded: 2010-01-28
Pages: 3
Assignors
REITSMA, DONALD G.
Executed: 2010-01-28
FRINK, PHIL
Executed: 2010-01-28
COUTURIER, YAWAN
Executed: 2010-01-28
Assignee
AT BALANCE AMERICAS LLC
11767 KATY FREEWAY SUITE 1030, HOUSTON, TEXAS, 77079
Covered Property
(1)
Wellbore Annular Pressure Control System and Method Using Accumulator to Maintain Back Pressure in Annulus
Application:
12/695,760 →
Publication:
US 2010/0186960
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.