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Patent Assignment Abstract of Title
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Total Assignments: 1
Patent #:
Issue Dt:
09/06/2011
Application #:
11491245
Filing Dt:
07/21/2006
Publication #:
Pub Dt:
03/29/2007
Inventors:
Sven Krueger, Gerald Heisig, Detlef Hahn, Volker Krueger, Peter Aronstam, Harald Grimmer et al
Title:
ACTIVE BOTTOMHOLE PRESSURE CONTROL WITH LINER DRILLING AND COMPLETION SYSTEMS
Assignment: 1
Reel/Frame:
018868/0495Recorded: 02/08/2007Pages: 10
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
09/13/2006
Exec Dt:
09/19/2006
Exec Dt:
09/13/2006
Exec Dt:
12/08/2006
Exec Dt:
12/11/2006
Exec Dt:
09/13/2006
Exec Dt:
09/19/2006
Exec Dt:
09/19/2006
Assignee:
2929 ALLEN PARKWAY, SUITE 2100
HOUSTON, TEXAS 77019-2118
Correspondent:
MADAN, MOSSMAN & SRIRAM, P.C.
2603 AUGUSTA, SUITE 700
HOUSTON, TX 77057-5662

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