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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
NONE
Issue Dt:
Application #:
12831854
Filing Dt:
07/07/2010
Publication #:
Pub Dt:
03/17/2011
Inventors:
Mark Johnson, Robert Harris
Title:
Method and Apparatus for Cementing a Liner in a Borehole Using a Tubular Member Having an Obstruction
Assignment: 1
Reel/Frame:
025407/0361Recorded: 11/18/2010Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
11/11/2010
Assignee:
4101 WINFIELD ROAD
WARRENVILLE, ILLINOIS 60555
Correspondent:
STEVE ROSENBLATT
P.O. BOX 421239
HOUSTON, TX 77242
Assignment: 2
Reel/Frame:
025407/0412Recorded: 11/18/2010Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
11/16/2010
Assignee:
2929 ALLEN PARKWAY, SUITE 2100
HOUSTON, TEXAS 77019-2118
Correspondent:
STEVE ROSENBLATT
P.O. BOX 421239
HOUSTON, TX 77242

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