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Patent Assignment Abstract of Title
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Total Assignments: 1
Patent #:
Issue Dt:
06/12/2001
Application #:
09216168
Filing Dt:
12/18/1998
Inventors:
FRANCIS ALEXANDER CUMMING, SIMON LAWRENCE FISHER, WILHELMUS CHRISTIANUS LOHBECK
Title:
SYSTEM FOR SEALING THE INTERSECTION BETWEEN A PRIMARY AND A BRANCH BOREHOLE
Assignment: 1
Reel/Frame:
011752/0541Recorded: 04/23/2001Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
03/10/1999
Exec Dt:
02/25/1999
Exec Dt:
02/26/1999
Assignee:
900 LOUISIANA
P.O. BOX 2463
HOUSTON, TEXAS 77252
Correspondent:
SHELL OIL COMPANY
BEVERLEE G. STEINBERG
INTELLECTUAL PROPERTY
P.O. BOX 2463 - 910 LOUISIANA
HOUSTON, TEXAS 77252-2463

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