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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
12/16/1986
Application #:
06789234
Filing Dt:
10/18/1985
Inventor:
RONALD E. PRINGLE
Title:
EQUALIZING MEANS FOR A SUBSURFACE WELL SAFETY VALVE
Assignment: 1
Reel/Frame:
004470/0381Recorded: 10/18/1985Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
10/17/1985
Assignee:
Correspondent:
FULBRIGHT & JAWORSKI
MBANK BUILDING
910 TRAVIS STREET
HOUSTON TX 77002
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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