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Reel/Frame:019629/0045   Pages: 6
Recorded: 08/01/2007
Attorney Dkt #:WEAT/0760
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Total properties: 1
1
Patent #:
Issue Dt:
10/02/2012
Application #:
11750943
Filing Dt:
05/18/2007
Publication #:
Pub Dt:
11/22/2007
Title:
METHODS AND APPARATUS FOR DRILLING WITH CASING
Assignors
1
Exec Dt:
07/10/2007
2
Exec Dt:
07/20/2007
3
Exec Dt:
07/20/2007
Assignee
1
515 POST OAK BOULEVARD, SUITE 600
HOUSTON, TEXAS 77027
Correspondence name and address
WILLIAM B. PATTERSON
3040 POST OAK BLVD., SUITE 1500
HOUSTON, TX 77056

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