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Patent Assignment Abstract of Title
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Total Assignments: 5
Patent #:
Issue Dt:
04/28/1987
Application #:
06763031
Filing Dt:
08/06/1985
Inventors:
LOT W. SHORT JR.,, JOHN D. BARR
Title:
DRAG TYPE DRILL BIT
Assignment: 1
Reel/Frame:
004492/0130Recorded: 08/23/1985Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
08/06/1985
Exec Dt:
08/06/1985
Assignee:
Correspondent:
MARGARET E. ANDERSON
BROWNING, BUSHMAN, ZAMECKI & ANDERSON
5718 WESTHEIMER, STE. 1800
HOUSTON, TX 77057
Assignment: 2
Reel/Frame:
005370/0475Recorded: 07/05/1990Pages: 8
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
08/24/1987
Assignee:
7030 ARDMORE,
HOUSTON,, TEXAS 77059
Correspondent:
FULBRIGHT & JAWORSKI
1301 MCKINNEY, STE. 5100
HOUSTON, TX 77010-3095
Assignment: 3
Reel/Frame:
005366/0664Recorded: 07/09/1990Pages: 12
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/20/1989
Assignee:
DELAWARE
Correspondent:
FULBRIGHT & JAWORSKI
1301 MCKINNEY
SUITE 5100
HOUSTON, TX 77010-3095
Assignment: 4
Reel/Frame:
013417/0342Recorded: 10/24/2002Pages: 8
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/18/2001
Assignee:
110 SCHLUMBERGER DRIVE, MD #1
SUGAR LAND, TEXAS 77478
Correspondent:
WILLIAMS, MORGAN & AMERSON, P.C.
KENNETH D. GOODMAN
7676 HILLMONT, SUITE 250
HOUSTON, TX 77040
Assignment: 5
Reel/Frame:
013506/0905Recorded: 11/22/2002Pages: 11
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
11/22/2002
Assignee:
5599 SAN FELIPE
SUITE 1600
HOUSTON, TEXAS 77054
Correspondent:
BRIGITTE JEFFERY
200 GILLINGHAM LANE
SUGAR LAND, TX 77478

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