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Patent Assignment Assignor Details
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Assignor Name : LEUGEMORS, EDWARD
Total Assignments: 22
Assignment: 1
Reel/Frame:013254/0924   Pages: 4
Recorded: 08/30/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/29/2002
2
Exec Dt:
08/29/2002
3
Exec Dt:
08/29/2002
Assignee
1
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10231497
Correspondence name and address
STEPHEN SCHLATHER
IP DEPT., WELL STIMULATION
110 SCHLUMBERGER DRIVE, MD1
SUGAR LAND, TEXAS 77478
Assignment: 2
Reel/Frame:014184/0168   Pages: 5
Recorded: 12/10/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/01/2003
2
Exec Dt:
07/07/2003
3
Exec Dt:
07/01/2003
4
Exec Dt:
07/01/2003
Assignee
1
110 SCHLUMBERGER DRIVE, MD-1
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10611753
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
IP DEPT., WELL STIMULATION
110 SCHLUMBERGER DRIVE, MD1
SUGAR LAND, TX 77478
Assignment: 3
Reel/Frame:014233/0215   Pages: 5
Recorded: 01/06/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/01/2003
2
Exec Dt:
07/07/2003
3
Exec Dt:
07/01/2003
4
Exec Dt:
07/01/2003
Assignee
1
110 SCHLUMBERGER DRIVE, MD-1
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10611479
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
IP DEPT., WELL STIMULATION
110 SCHLUMBERGER DRIVE, MD1
SUGAR LAND, TX 77478
Assignment: 4
Reel/Frame:019671/0556   Pages: 12
Recorded: 08/09/2007
Attorney Dkt #:56.0935
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/07/2007
2
Exec Dt:
06/12/2007
3
Exec Dt:
06/12/2007
4
Exec Dt:
06/08/2007
5
Exec Dt:
06/25/2007
6
Exec Dt:
06/12/2007
7
Exec Dt:
07/12/2007
8
Exec Dt:
07/11/2007
9
Exec Dt:
06/18/2007
10
Exec Dt:
06/07/2007
11
Exec Dt:
06/10/2007
Assignee
1
110 SCHLUMBERGER DRIVE
MD 1
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11754776
Correspondence name and address
DAVID CATE
110 SCHLUMBERGER DRIVE MD 1
SUGAR LAND, TX 77478
Assignment: 5
Reel/Frame:019932/0271   Pages: 10
Recorded: 10/09/2007
Attorney Dkt #:56.1108
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/07/2007
2
Exec Dt:
06/12/2007
3
Exec Dt:
06/12/2007
4
Exec Dt:
08/30/2007
5
Exec Dt:
06/25/2007
6
Exec Dt:
06/12/2007
7
Exec Dt:
07/12/2007
8
Exec Dt:
07/11/2007
9
Exec Dt:
06/18/2007
Assignee
1
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
11757608
Correspondence name and address
DAVID CATE
110 SCHLUMBERGER DRIVE, MD-1
SUGAR LAND, TX 77478
Assignment: 6
Reel/Frame:019809/0982   Pages: 10
Recorded: 09/11/2007
Attorney Dkt #:56.0985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/13/2007
2
Exec Dt:
07/12/2007
3
Exec Dt:
07/11/2007
4
Exec Dt:
07/18/2007
5
Exec Dt:
07/19/2007
6
Exec Dt:
07/24/2007
7
Exec Dt:
07/16/2007
8
Exec Dt:
07/24/2007
9
Exec Dt:
07/11/2007
10
Exec Dt:
07/19/2007
Assignee
1
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11771789
Correspondence name and address
DAVID CATE
110 SCHLUMBERGER DRIVE, MD-1
SUGAR LAND, TX 77478
Assignment: 7
Reel/Frame:021674/0132   Pages: 6
Recorded: 10/13/2008
Attorney Dkt #:56.1117
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/08/2008
2
Exec Dt:
09/09/2008
3
Exec Dt:
09/09/2008
4
Exec Dt:
09/09/2008
5
Exec Dt:
09/24/2008
Assignee
1
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12203604
Correspondence name and address
DAVID CATE
110 SCHLUMBERGER DRIVE, MD-1
SUGAR LAND, TX 77478
Assignment: 8
Reel/Frame:023444/0176   Pages: 7
Recorded: 10/29/2009
Attorney Dkt #:56.1236
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/27/2009
2
Exec Dt:
10/13/2009
3
Exec Dt:
10/12/2009
4
Exec Dt:
10/14/2009
5
Exec Dt:
10/13/2009
6
Exec Dt:
10/27/2009
Assignee
1
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12563209
Correspondence name and address
RODNEY WARFFORD
555 INDUSTRIAL BLVD., MD-5
SUGAR LAND, TX 77478
Assignment: 9
Reel/Frame:024190/0251   Pages: 9
Recorded: 04/06/2010
Attorney Dkt #:56.1208
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
02/23/2010
2
Exec Dt:
02/23/2010
3
Exec Dt:
03/15/2010
4
Exec Dt:
03/12/2010
5
Exec Dt:
04/05/2010
6
Exec Dt:
02/25/2010
Assignee
1
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12700302
Correspondence name and address
DAVID CATE
110 SCHLUMBERGER DRIVE, MD-1
SUGAR LAND, TX 77478
Assignment: 10
Reel/Frame:024254/0032   Pages: 4
Recorded: 04/19/2010
Attorney Dkt #:56.1300
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
04/01/2010
2
Exec Dt:
04/01/2010
Assignee
1
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12732265
Correspondence name and address
RACHEL E. GREENE
110 SCHLUMBERGER DR., MD-1
SUGAR LAND, TX 77478
Assignment: 11
Reel/Frame:025353/0895   Pages: 6
Recorded: 11/12/2010
Attorney Dkt #:56.1288
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/09/2010
2
Exec Dt:
09/17/2010
3
Exec Dt:
09/17/2010
4
Exec Dt:
09/27/2010
Assignee
1
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
12881533
Correspondence name and address
MICHAEL DAE
555 INDUSTRIAL BLVD., MD-21
SUGAR LAND, TX 77478
Assignment: 12
Reel/Frame:025439/0015   Pages: 5
Recorded: 12/02/2010
Attorney Dkt #:56.1352
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/30/2010
2
Exec Dt:
09/30/2010
3
Exec Dt:
09/30/2010
Assignee
1
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12892364
Correspondence name and address
MICHAEL DAE
555 INDUSTRIAL BLVD., MD-21
SUGAR LAND, TX 77478
Assignment: 13
Reel/Frame:026490/0400   Pages: 5
Recorded: 06/23/2011
Attorney Dkt #:56.1395
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/06/2011
2
Exec Dt:
06/09/2011
Assignee
1
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13095332
Correspondence name and address
DAVID CATE
555 INDUSTRIAL BLVD
SUGAR LAND, TX 77478
Assignment: 14
Reel/Frame:026965/0668   Pages: 10
Recorded: 09/26/2011
Attorney Dkt #:56.1400
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/09/2011
2
Exec Dt:
09/13/2011
3
Exec Dt:
09/08/2011
4
Exec Dt:
09/16/2011
5
Exec Dt:
09/18/2011
Assignee
1
110 SCHLUMBERGER DRIVE,
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13181018
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
10001 RICHMOND AVENUE
IP ADMINISTRATION CENTER OF EXCELLENCE
HOUSTON, TX 77042
Assignment: 15
Reel/Frame:029147/0486   Pages: 9
Recorded: 10/17/2012
Attorney Dkt #:56.1344-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/17/2012
2
Exec Dt:
05/04/2012
3
Exec Dt:
05/04/2012
4
Exec Dt:
05/11/2012
Assignee
1
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13393620
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
10001 RICHMOND AVENUE
IP CENTER OF EXCELLENCE
HOUSTON, TX 77042
Assignment: 16
Reel/Frame:028300/0174   Pages: 8
Recorded: 05/31/2012
Attorney Dkt #:IS11.1116US ASSIGNMENT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/22/2012
2
Exec Dt:
05/22/2012
3
Exec Dt:
05/22/2012
Assignee
1
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13415025
Correspondence name and address
SCHLUMBERGER - COE
WESTERNGECO 10001 RICHMOND AVE.
ROOM 3028
HOUSTON, TX 77042
Assignment: 17
Reel/Frame:028566/0637   Pages: 10
Recorded: 07/17/2012
Attorney Dkt #:IS12.2346-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/12/2012
2
Exec Dt:
07/12/2012
3
Exec Dt:
07/09/2012
4
Exec Dt:
07/12/2012
5
Exec Dt:
07/05/2012
Assignee
1
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
13487002
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
10001 RICHMOND AVENUE
IP ADMINISTRATION CENTER OF EXCELLENCE
HOUSTON, TX 77042
Assignment: 18
Reel/Frame:029107/0383   Pages: 15
Recorded: 10/10/2012
Attorney Dkt #:IS12.2585-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/24/2012
2
Exec Dt:
06/26/2012
3
Exec Dt:
10/09/2012
4
Exec Dt:
08/03/2012
5
Exec Dt:
08/03/2012
6
Exec Dt:
06/21/2012
7
Exec Dt:
06/27/2012
8
Exec Dt:
08/09/2012
9
Exec Dt:
08/03/2012
10
Exec Dt:
07/31/2012
Assignee
1
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13475072
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
10001 RICHMOND AVENUE
IP CENTER OF EXCELLENCE
HOUSTON, TX 77042
Assignment: 19
Reel/Frame:034087/0780   Pages: 8
Recorded: 11/03/2014
Attorney Dkt #:IS12.3458-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/04/2013
2
Exec Dt:
03/09/2013
3
Exec Dt:
04/08/2013
Assignee
1
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
14343341
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 20
Reel/Frame:032287/0612   Pages: 10
Recorded: 02/25/2014
Attorney Dkt #:IS12.2698-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/24/2013
2
Exec Dt:
05/28/2013
3
Exec Dt:
05/29/2013
4
Exec Dt:
05/28/2013
5
Exec Dt:
05/30/2013
Assignee
1
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
13837846
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 21
Reel/Frame:031563/0394   Pages: 6
Recorded: 11/07/2013
Attorney Dkt #:IS111076USNP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
06/13/2013
Assignee
1
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
13727890
Correspondence name and address
STEPHANIE MUMA
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 22
Reel/Frame:035121/0778   Pages: 9
Recorded: 03/10/2015
Attorney Dkt #:IS12.2900-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/03/2014
2
Exec Dt:
11/03/2014
3
Exec Dt:
02/09/2015
4
Exec Dt:
11/04/2014
Assignee
1
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
14421700
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042

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