Patent Assignment
Reel/Frame 023666/0968
Assignment of Assignor's Interest
Recorded: 2009-12-17
Pages: 4
Assignee
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE, SUGAR LAND, TEXAS, 77478
Covered Property
(1)
Proppant, Proppant Production Method and Use of Proppant