Patent Assignment
Reel/Frame 024545/0650
Assignment of Assignor's Interest
Recorded: 2010-06-16
Pages: 2
Assignor
WILLBERG, DEAN M.
Executed: 2008-08-20
Assignee
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE, SUGAR LAND, TEXAS, 77478
Covered Property
(1)
Proppants and Uses Thereof
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.