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Reel/Frame:017751/0878   Pages: 16
Recorded: 05/31/2006
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE FIFTH INVENTOR'S MIDDLE INITIAL PREVIOUSLY RECORDED ON REEL 014955 FRAME 0001. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Total properties: 1
1
Patent #:
Issue Dt:
02/26/2008
Application #:
10772217
Filing Dt:
02/02/2004
Publication #:
Pub Dt:
05/31/2007
Title:
APPARATUS AND METHODS FOR DRILLING A WELLBORE USING CASING
Assignors
1
Exec Dt:
06/08/2004
2
Exec Dt:
06/21/2004
3
Exec Dt:
06/08/2004
4
Exec Dt:
06/03/2004
5
Exec Dt:
07/07/2004
6
Exec Dt:
06/04/2004
7
Exec Dt:
08/02/2004
8
Exec Dt:
06/04/2004
9
Exec Dt:
06/25/2004
10
Exec Dt:
06/21/2004
11
Exec Dt:
06/25/2004
12
Exec Dt:
06/04/2004
13
Exec Dt:
07/26/2004
14
Exec Dt:
06/28/2004
Assignee
1
515 POST OAK BOULEVARD, SUITE 600
HOUSTON, TEXAS 77027
Correspondence name and address
WILLIAM B. PATTERSON
3040 POST OAK BOULEVARD, SUITE 1500
HOUSTON, TEXAS 77056

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