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Reel/Frame:016956/0281   Pages: 10
Recorded: 10/30/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Total properties: 1
1
Patent #:
Issue Dt:
05/01/2007
Application #:
10803258
Filing Dt:
03/18/2004
Title:
METHOD OF TREATING SUBTERRANEAN FORMATIONS USING MULTIPLE PROPPANT STAGES OR MIXED PROPPANTS
Assignors
1
Exec Dt:
09/07/2005
2
Exec Dt:
09/07/2005
3
Exec Dt:
09/09/2005
4
Exec Dt:
09/07/2005
5
Exec Dt:
09/07/2005
6
Exec Dt:
09/07/2005
7
Exec Dt:
09/07/2005
Assignee
1
5500 NORTHWEST CENTRAL DRIVE
HOUSTON, TEXAS 77092
Correspondence name and address
JOHN WILSON JONES
LOCKE LIDDELL & SAPP LLP
3400 JPMORGAN CHASE TOWER
600 TRAVIS
HOUSTON, TEXAS 77002

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