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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
09/06/1988
Application #:
07098444
Filing Dt:
09/18/1987
Inventor:
RONALD E. PRINGLE
Title:
PIPELINE SAFETY VALVE
Assignment: 1
Reel/Frame:
004804/0184Recorded: 09/18/1987Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
08/13/1987
Assignee:
HOUSTON, TEXAS
Correspondent:
PATENT DEPT.,
FULBRIGHT & JAWORSKI
1301 MC KINNEY STREET
HOUSTON, TX 77010
Assignment: 2
Reel/Frame:
005366/0664Recorded: 07/09/1990Pages: 12
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/20/1989
Assignee:
DELAWARE
Correspondent:
FULBRIGHT & JAWORSKI
1301 MCKINNEY
SUITE 5100
HOUSTON, TX 77010-3095

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