Patent Assignment
Reel/Frame 020762/0971
Patent Assignment and License Agreement
Recorded: 2008-04-08
Pages: 10
Assignors
SHELL OIL COMPANY
Executed: 2007-08-30
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.
Executed: 2007-09-18
Assignee
AT-BALANCE AMERICAS LLC
11767 KATY FREEWAY, SUITE 1030, HOUSTON, TEXAS, 77079
Covered Property
(1)
System for Controlling the Discharge of Drilling Fluid
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.