Patent Assignment
Reel/Frame 028361/0610
Assignment of Assignor's Interest
Recorded: 2012-06-12
Pages: 3
Assignor
BALLARD, DAVID ANTONY
Executed: 2008-11-11
Assignee
M-I LLC
5950 NORTH COURSE DRIVE, HOUSTON, TEXAS, 77072
Covered Property
(1)
Aqueous Gels for Well Bore Strengthening
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.