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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
08/03/1993
Application #:
07829797
Filing Dt:
01/31/1992
Inventors:
LEE E. WHITEBAY, NOBUO MORITA
Title:
WELL SCREEN WITH INCREASED OUTER SURFACE AREA
Assignment: 1
Reel/Frame:
004933/0944Recorded: 07/26/1988Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
06/26/1987
Assignee:
Correspondent:
COHEN, PONTANI & LIEBERMAN
551 FIFTH AVENUE
NEW YORK, N.Y. 10176
Assignment: 2
Reel/Frame:
006001/0808Recorded: 01/31/1992Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
01/30/1992
Exec Dt:
01/31/1992
Assignee:
1000 SOUTH PINE
PONCA CITY, OKLAHOMA 74603
Correspondent:
RICHARD W. COLLINS
PATENT AND LICENSING DIVISION
CONOCO INC.
P.O. BOX 1267
PONCA CITY, OK 74603
Assignment: 3
Reel/Frame:
022634/0590Recorded: 05/05/2009Pages: 6
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/12/2002
Assignee:
600 NORTH DAIRY ASHFORD
MA 1135
HOUSTON, TEXAS 77079-1175
Correspondent:
CONOCOPHILLIPS COMPANY - IP SERVICES GRO
600 NORTH DAIRY ASHFORD
MA 1135
HOUSTON, TX 77079-1175

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