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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
05/14/2013
Application #:
12595060
Filing Dt:
01/20/2010
Publication #:
Pub Dt:
05/06/2010
Inventor:
Douwe Johannes Runia
Title:
DRILL BIT ASSEMBLY AND METHOD OF PERFORMING AN OPERATION IN A WELLBORE
Assignment: 1
Reel/Frame:
023804/0402Recorded: 01/19/2010Pages: 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: 2
Reel/Frame:
023815/0599Recorded: 01/20/2010Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/28/2009
Assignee:
910 LOUISIANA STREET, ONE SHELL PLAZA
INTELLECTUAL PROPERTY
HOUSTON, TEXAS 77002
Correspondent:
SHELL OIL COMPANY
P O BOX 2463
INTELLECTUAL PROPERTY
HOUSTON, TX 772522463
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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