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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
12/06/1983
Application #:
06299931
Filing Dt:
09/08/1981
Inventors:
JOHN H. YONKER, HENRY P. ARENDT
Title:
METHOD AND APPARATUS FOR PERFORMING OPERATIONS IN WELL TUBING
Assignment: 1
Reel/Frame:
004019/0797Recorded: 08/02/1982Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
02/04/1982
Exec Dt:
07/28/1982
Assignee:
DELAWARE
Correspondent:
ROLAND O. COX
OTIS ENGINEERING CORP.
P.O. BOX 34380
DALLAS, TX. 75234
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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