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Reel/Frame:025703/0131   Pages: 15
Recorded: 01/26/2011
Attorney Dkt #:WEAT/0344USC3
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Total properties: 1
1
Patent #:
Issue Dt:
10/25/2011
Application #:
12894433
Filing Dt:
09/30/2010
Publication #:
Pub Dt:
01/20/2011
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:
06/04/2004
8
Exec Dt:
06/25/2004
9
Exec Dt:
06/21/2004
10
Exec Dt:
06/25/2004
11
Exec Dt:
06/04/2004
12
Exec Dt:
07/26/2004
13
Exec Dt:
06/28/2004
14
Exec Dt:
06/23/2008
Assignee
1
515 POST OAK BOULEVARD
SUITE 600
HOUSTON, TEXAS 77027
Correspondence name and address
JASON C. HUANG
3040 POST OAK BLVD.
SUITE 1500
HOUSTON, TX 77056

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