Patent Assignment
Reel/Frame 020411/0138
Assignment of Assignor's Interest
Recorded: 2008-01-24
Pages: 3
Assignor
BALLARD, DAVID ANTONY
Executed: 2008-01-22
Assignee
M-I LLC
5950 NORTH COURSE DRIVE, HOUSTON, TEXAS, 77072
Covered Property
(1)
Silicate-Based Wellbore Fluid and Methods for Stabilizing Unconsolidated Formations
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.