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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
04/24/2007
Application #:
10483922
Filing Dt:
06/28/2004
Publication #:
Pub Dt:
12/02/2004
Inventors:
Douwe Johannes Runia, David George Livesey Smith, Robert Nicholas Worrall
Title:
STEERABLE ROTARY DRILL BIT ASSEMBLY WITH PILOT BIT
Assignment: 1
Reel/Frame:
015600/0979Recorded: 06/28/2004Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
06/10/2004
Exec Dt:
06/08/2004
Exec Dt:
06/10/2004
Assignee:
P.O. BOX 2463
910 LOUISIANA
HOUSTON, TEXAS 77252-2463
Correspondent:
SHELL OIL COMPANY
EUGENE R. MONTALYO
P.O. BOX 2463
910 LOUISIANA
HOUSTON, TX 77252-2463
Assignment: 2
Reel/Frame:
023660/0204Recorded: 12/16/2009Pages: 11
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
10/12/2009
Assignee:
LANGE KLEIWEG 60F
RIJSWIJK ZH, NETHERLANDS 2288GK
Correspondent:
COLLIN A. ROSE
P.O. BOX 3267
HOUSTON, TX 77253-3267
Assignment: 3
Reel/Frame:
029072/0908Recorded: 10/04/2012Pages: 8
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/13/2011
Assignee:
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Correspondent:
CPA GLOBAL LIMITED
LIBERATION HOUSE
CASTLE STREET
ST HELIER, JE1 1BL JERSEY

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