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Reel/Frame:011679/0115   Pages: 12
Recorded: 04/05/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Total properties: 1
1
Patent #:
Issue Dt:
11/04/2003
Application #:
09523468
Filing Dt:
03/10/2000
Title:
FORMING A WELLBORE CASING WHILE SIMULTANEOUSLY DRILLING A WELLBORE
Assignors
1
Exec Dt:
02/22/2001
2
Exec Dt:
02/23/2001
3
Exec Dt:
02/22/2001
4
Exec Dt:
02/22/2001
5
Exec Dt:
03/16/2001
6
Exec Dt:
02/26/2001
7
Exec Dt:
02/22/2001
Assignee
1
910 LOUISIANA STREET, SUITE 4719
HOUSTON, TEXAS 77252
Correspondence name and address
HAYNES AND BOONE, LLP
TODD MATTINGLY
SUITE 4300
HOUSTON, TX 77002

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