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Reel/Frame:018370/0636   Pages: 6
Recorded: 10/10/2006
Attorney Dkt #:WEAT/0197.C1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Total properties: 1
1
Patent #:
Issue Dt:
02/06/2007
Application #:
11079716
Filing Dt:
03/14/2005
Publication #:
Pub Dt:
07/21/2005
Title:
BI-DIRECTIONALLY BOOSTING AND INTERNAL PRESSURE TRAPPING PACKING ELEMENT SYSTEM
Assignors
1
Exec Dt:
02/18/2003
2
Exec Dt:
02/18/2003
3
Exec Dt:
03/05/2003
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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