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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
04/04/2000
Application #:
08991667
Filing Dt:
12/16/1997
Inventor:
CLIFFORD L. ASHBROOK
Title:
METHOD FOR TREATING CEMENT SLURRIES
Assignment: 1
Reel/Frame:
015711/0148Recorded: 08/24/2004Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/18/2001
Assignee:
6655 LANCER BLVD.
SAN ANTONIO, TEXAS 78219
Correspondent:
CHRISTOPHER L. MAKAY
115 EAST TRAVIS STREET
1634 MILAM BUILDING
SAN ANTONIO, TX 78205
Assignment: 2
Reel/Frame:
020371/0662Recorded: 01/17/2008Pages: 18
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
10/24/2007
Exec Dt:
10/24/2007
Assignee:
5850 CORRIDOR PARKWAY
SCHERTZ, TEXAS 78154
Correspondent:
MEYERTONS, HOOD ET AL.
700 LAVACA
SUITE 800
AUSTIN, TX 78701

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