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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
06/18/1991
Application #:
07125591
Filing Dt:
11/25/1987
Inventors:
CARL M. SCHWAB JR., CLARK E. ROBISON, JAMES B. RENFROE JR.
Title:
APPARATUS AND METHOD FOR ENHANCED OIL RECOVERY
Assignment: 1
Reel/Frame:
004976/0799Recorded: 11/03/1988Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
10/26/1988
Exec Dt:
10/18/1988
Exec Dt:
10/25/1988
Assignee:
Correspondent:
M. H. GAY
6025 SUGAR HILL
HOUSTON, TX 77057
Assignment: 2
Reel/Frame:
006779/0356Recorded: 11/15/1993Pages: 37
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
06/24/1993
Assignee:
LEGAL, INTELLECTUAL PROPERTY DEPARTMENT
P.O. BOX 819052
DALLAS, TEXAS 75381
Correspondent:
ROBERT A. KENT
LEGAL, INTELLECTUAL PROPERTY DEPARTMENT
HALLIBURTON ENERGY SERVICES
MAIL CODE 1-E-135, P.O. BOX 819052
DALLAS, TX 75381

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