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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
03/26/1985
Application #:
06390577
Filing Dt:
06/21/1982
Inventors:
ROBERT M. MOOREHEAD, SUSAN G. EPPLER, MARDIS V. ANDERSON
Title:
METHOD AND APPARATUS FOR MONITORING AND CONTROLLING WELL DRILLING PARAMETERS
Assignment: 1
Reel/Frame:
004009/0346Recorded: 06/21/1982Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
06/18/1982
Exec Dt:
06/18/1982
Exec Dt:
06/18/1982
Assignee:
A CORP. OF DE.
DALLAS, TEXAS
Correspondent:
SCHERBACK, JACKSON & FAULCONER
1050 DIAMOND SHAMROCK TOWER
717 N. HARWOOD, LB 19
DALLAS, TX 75201
Assignment: 2
Reel/Frame:
004332/0433Recorded: 11/30/1984Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
11/20/1984
Assignee:
TWO FOREST PLAZA
SUITE 1100, 12201 MERIT DRIVE
DALLAS, TEXAS 75251
Correspondent:
WILLIAM J. SCHERBACK
SOUTH TOWER - STE. 2230
PLAZA OF THE AMERICAS
DALLAS, TX 75201
Assignment: 3
Reel/Frame:
004736/0634Recorded: 07/13/1987Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
06/24/1987
Assignee:
Correspondent:
WILLIAM J. SCHERBACK
SOUTH TOWER - STE. 2230
PLAZA OF THE AMERICAS
DALLAS, TX 75201

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