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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
05/28/1985
Application #:
06533839
Filing Dt:
09/19/1983
Inventor:
WILLIAM S. BUTLER
Title:
CUSHIONING UNIT SHAFT SEAL ARRANGEMENT
Assignment: 1
Reel/Frame:
004289/0658Recorded: 08/16/1984Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
08/09/1984
Assignee:
A DE CORP
DUNCAN, OKLAHOMA
Correspondent:
JAMES R. DUZAN
HALLIBURTON SERVICES
P.O. DRAWER 1431
DUNCAN, OK 73536-0102
Assignment: 2
Reel/Frame:
005093/0793Recorded: 04/12/1989Pages: 8
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
03/31/1989
Assignee:
8600 WILL ROGERS BOULEVARD
FORT WORTH, TEXAS
Correspondent:
FELSMAN, BRADLEY, GUNTER & DILLON, LLP
JAMES E. BRADLEY
2600 CONTINENTAL PLAZA
777 MAIN STREET
FORT WORTH, TEXAS 76102
Assignment: 3
Reel/Frame:
005093/0801Recorded: 04/12/1989Pages: 13
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
03/31/1989
Assignee:
3811 TURTLE CREEK BOULEVARD
SUITE 2100, P.O. BOX 190229
DALLAS, TEXAS 75219
Correspondent:
BURNS, DOANE, SWECKER & MATHIS
GEORGE MASON BUILDING
WASHINGTON & PRINCE STREETS
P.O. BOX 1404
NDRIA, VA. 22313-1404

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