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Patent Assignment Assignor Details
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Assignor Name : BIRKETT, GRAHAM
Total Assignments: 5
Assignment: 1
Reel/Frame:019695/0868   Pages: 9
Recorded: 08/15/2007
Attorney Dkt #:69.5736
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/02/2007
2
Exec Dt:
08/02/2007
3
Exec Dt:
07/19/2007
4
Exec Dt:
08/02/2007
Assignee
1
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11768403
Correspondence name and address
JANICE ALVERSON
14910 AIRLINE ROAD
BUILDING 20
ROSHARON, TX 77583
Assignment: 2
Reel/Frame:021440/0834   Pages: 11
Recorded: 08/26/2008
Attorney Dkt #:20.3067
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
04/22/2008
2
Exec Dt:
04/25/2008
3
Exec Dt:
05/16/2008
4
Exec Dt:
08/25/2008
5
Exec Dt:
05/05/2008
6
Exec Dt:
05/05/2008
Assignee
1
200 GILLINGHAM LANE
MD200-9
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12098526
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
200 GILLINGHAM LANE
MD200-9
SUGAR LAND, TX 77478
Assignment: 3
Reel/Frame:023883/0451   Pages: 10
Recorded: 02/02/2010
Attorney Dkt #:100.0008
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/02/2009
2
Exec Dt:
06/29/2009
3
Exec Dt:
07/06/2009
4
Exec Dt:
01/21/2010
5
Exec Dt:
07/10/2009
Assignee
1
200 GILLINGHAM LANE
MD200-9
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12522557
Correspondence name and address
SCHLUMBERGER OILFIELD SERVICES
200 GILLINGHAM LANE
MD 200-9
SUGAR LAND, TX 77478
Assignment: 4
Reel/Frame:023358/0004   Pages: 19
Recorded: 10/09/2009
Attorney Dkt #:14459-31
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/15/2009
2
Exec Dt:
07/15/2009
3
Exec Dt:
07/14/2009
4
Exec Dt:
07/14/2009
5
Exec Dt:
07/13/2009
6
Exec Dt:
08/04/2009
7
Exec Dt:
07/29/2009
8
Exec Dt:
07/27/2009
9
Exec Dt:
07/14/2009
10
Exec Dt:
08/24/2009
11
Exec Dt:
07/30/2009
12
Exec Dt:
07/15/2009
13
Exec Dt:
08/23/2009
Assignee
1
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
12477190
Correspondence name and address
STANISLAUS AKSMAN
7918 JONES BRANCH DRIVE, SUITE 500
MCLEAN, VA 22102
Assignment: 5
Reel/Frame:023857/0575   Pages: 9
Recorded: 01/27/2010
Attorney Dkt #:57.0661 US PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
12/17/2009
2
Exec Dt:
01/11/2010
3
Exec Dt:
01/06/2010
4
Exec Dt:
01/06/2010
Assignee
1
ONE HAMPSHIRE STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12530857
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ONE HAMPSHIRE STREET
CAMBRIDGE, MA 02139

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