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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
12/11/2001
Application #:
09713049
Filing Dt:
11/15/2000
Inventors:
Ronald E. Pringle, Clay W. Jr. Milligan, Dennis M. Read
Title:
Downhole valve
Assignment: 1
Reel/Frame:
011329/0216Recorded: 11/16/2000Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
11/15/2000
Exec Dt:
11/15/2000
Exec Dt:
11/15/2000
Assignee:
300 SCHLUMBERGER
SUGAR LAND, TEXAS 77478
Correspondent:
SCHLUMBER TECHNOLOGY CORPORATION
JAIME CASTANO
ATTM: PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TEXAS 77583-1590
Assignment: 2
Reel/Frame:
011329/0220Recorded: 11/15/2000Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
11/15/2000
Exec Dt:
11/15/2000
Exec Dt:
11/15/2000
Assignee:
300 SCHLUMBERGER
SUGAR LAND, TEXAS 77478
Correspondent:
SCHLUMBERGER TECHNOLOGY CORPORATION
JAIME CASTANO
PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TEXAS 77583-1590

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