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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
07/07/1992
Application #:
07638717
Filing Dt:
01/08/1991
Inventors:
KIRK L. HARRIS, EDWARD F. VINSON, DANIEL L. BOUR, DAVID P. EWERT, RICHARD R. GERKE
Title:
REPAIR OF MICROANNULI AND CEMENT SHEATH
Assignment: 1
Reel/Frame:
005657/0747Recorded: 04/08/1991Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
03/12/1991
Assignee:
DUNCAN, STEPHENS COUNTY, OKLAHOMA 73536-0102
Correspondent:
THOMAS R. WEAVER
HALLIBURTON SERVICES
P.O. DRAWER 1431
DUNCAN, OK 73536-0102
Assignment: 2
Reel/Frame:
005711/0735Recorded: 05/28/1991Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
03/12/1991
Assignee:
DUNCAN
STEPHENS COUNTY, OKLAHOMA
Correspondent:
THOMAS R. WEAVER
HALLIBURTON SERVICES
P.O. DRAWER 1431
DUNCAN, OK 73536-0102
Assignment: 3
Reel/Frame:
005657/0750Recorded: 04/08/1991Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
04/01/1991
Exec Dt:
04/01/1991
Exec Dt:
04/01/1991
Exec Dt:
03/12/1991
Assignee:
DUNCAN, STEPHENS COUNTY, OKLAHOMA 73536-0102
Correspondent:
THOMAS R. WEAVER
HALLIBURTON SERVICES
P.O. DRAWER 1431
DUNCAN, OK 73536-0102

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