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Patent Assignment Abstract of Title
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Total Assignments: 5
Patent #:
Issue Dt:
11/06/1990
Application #:
07344671
Filing Dt:
04/28/1989
Inventors:
ROBERT T. BROOKS, WILLIAM T. TAPP
Title:
SELECTIVELY OPERABLE BALL VALVE AND PRODUCTION PACKER SYSTEM
Assignment: 1
Reel/Frame:
005082/0355Recorded: 04/28/1989Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
04/07/1989
Exec Dt:
04/07/1989
Assignee:
YORKTOWN, TEXAS
Correspondent:
DONALD H. FIDLER
8955 KATY FRWY., #201
HOUSTON, TX 77024
Assignment: 2
Reel/Frame:
006874/0896Recorded: 03/03/1994Pages: 5
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
09/25/1991
Assignee:
3900 ESSEX LANE, SUITE 800
HOUSTON, TEXAS 77027
Correspondent:
BAKER HUGHES INCORPORATED
ROSA TURNINI
3900 ESSEX LANE
SUITE 1200
HOUSTON, TEXAS 77027
Assignment: 3
Reel/Frame:
006874/0888Recorded: 03/03/1994Pages: 8
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
03/15/1993
Assignee:
15355 VANTAGE PARKWAY WEST
HOUSTON, TEXAS 77032
Correspondent:
BAKER HUGHES INCORPORATED
ROSA TURNINI
3900 ESSEX LANE
SUITE 1200
HOUSTON, TEXAS 77027
Assignment: 4
Reel/Frame:
006983/0238Recorded: 03/03/1994Pages: 4
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
07/01/1993
Assignee:
SUITE 800
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Correspondent:
BAKER HUGHES INCORPORATED
ROSA TURNINI
3900 ESSEX LANE, SUITE 1200
HOUSTON, TEXAS 77027
Assignment: 5
Reel/Frame:
006874/0885Recorded: 03/03/1994Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
03/01/1994
Assignee:
3900 ESSEX LANE, SUITE 1200
HOUSTON, TEXAS 77027
Correspondent:
BAKER HUGHES INCORPORATED
ROSA TURNINI
3900 ESSEX LANE
SUITE 1200
HOUSTON, TEXAS 77027

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