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Patent Assignment Details
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Reel/Frame:005437/0774   Pages: 3
Recorded: 08/27/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Total properties: 4
1
Patent #:
Issue Dt:
02/09/1982
Application #:
06179487
Filing Dt:
08/19/1980
Title:
METHOD AND APPARATUS FOR WELL TREATING
2
Patent #:
Issue Dt:
02/22/1983
Application #:
06303190
Filing Dt:
09/17/1981
Title:
APPARATUS FOR WELL TREATING
3
Patent #:
Issue Dt:
06/28/1983
Application #:
06303191
Filing Dt:
09/17/1981
Title:
APPARATUS FOR WELL TREATING
4
Patent #:
Issue Dt:
05/10/1983
Application #:
06303388
Filing Dt:
09/18/1981
Title:
APPARATUS FOR RETRIEVING FLUID PLUG
Assignor
1
Exec Dt:
08/15/1990
Assignee
1
P.O. BOX 1358
RICHARDSON ENTERPRISES
KILGORE, TEXAS 75662
Correspondence name and address
GERALD W. SPINKS
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, STE. 1200
P.O. BOX 4740
HOUSTON, TX. 77210-4740

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