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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
03/08/1994
Application #:
07856543
Filing Dt:
03/24/1992
Inventors:
DONALD H. PERKINS, THOMAS M. DEATON
Title:
MONITOR AND CONTROL CIRCUIT FOR ELECTRIC SURFACE CONTROLLED SUBSURFACE VALVE SYSTEM
Assignment: 1
Reel/Frame:
006353/0136Recorded: 12/21/1992Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
11/25/1992
Exec Dt:
12/10/1992
Assignee:
P.O. BOX 819052
PATENT DEPARTMENT
DALLAS, TEXAS 75381-9052
Correspondent:
ROLAND O. COX
PATENT DEPARTMENT
OTIS ENGINEERING CORPORATION
P.O. BOX 819052
DALLAS, TX 75381 -9052
Assignment: 2
Reel/Frame:
009396/0041Recorded: 08/17/1998Pages: 9
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
06/25/1993
Assignee:
LEGAL, INTELLECTUAL PROPERTY DEPARTMENT
P.O.BOX 819052
DALLAS, TEXAS 75381
Correspondent:
HALLIBURTON ENERGY SERVICES, INC.
WILLAIM M. IMWALLE
LEGAL, INTELLECTUAL PROPERTY DEPARTMENT
P.O. BOX 819052, MAIL CODE 1-B-121
DALLAS, TEXAS 75381

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