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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
08/10/2004
Application #:
10082890
Filing Dt:
02/26/2002
Publication #:
Pub Dt:
09/04/2003
Inventors:
Philip J. Rae, Gino F. Di Lullo Arias, Lance N. Portman
Title:
CHEMICALLY ENHANCED DRILLING METHODS
Assignment: 1
Reel/Frame:
012968/0161Recorded: 06/06/2002Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
04/19/2002
Exec Dt:
04/22/2002
Assignee:
5500 NORTHWEST CENTRAL DRIVE
HOUSTON, TEXAS 77092
Correspondent:
HOWREY SIMON ARNOLD & WHITE, LLP
CHRISTOPHER J. BUNTEL, PH.D.
750 BERING DR.
HOUSTON, TX 77057-2198
Assignment: 2
Reel/Frame:
013061/0405Recorded: 07/08/2002Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
06/19/2002
Assignee:
5500 NORTHWEST CENTRAL DRIVE
HOUSTON, TEXAS 77092
Correspondent:
HOWREY SIMON ARNOLD ET AL.
CHRISTOPHER J. BUNTEL, PH.D.
750 BERING DRIVE
HOUSTON, TX 77057-2198

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