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Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : HENDERSON, STEVEN
Total Assignments: 7
Assignment: 1
Reel/Frame:004701/0060   Pages: 2
Recorded: 04/28/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
03/03/1987
2
Exec Dt:
03/16/1987
Assignee
1
9 ALBERT EMBANKMENT
LONDON, ENGLAND SE1 7SN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06723508
Correspondence name and address
BACON AND THOMAS
6255 SLATERS LANE--FOURTH FLOOR
ALEXANDRIA, VA 22314
Assignment: 2
Reel/Frame:005037/0810   Pages: 2
Recorded: 02/01/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
01/16/1989
2
Exec Dt:
01/16/1989
Assignee
1
9 ALBERT EMBANKMENT
LONDON SE1 7SN, ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07304652
Correspondence name and address
BACON & THOMAS
625 SLATERS LANE - 4TH FLOOR
ALEXANDRIA, VA 22314
Assignment: 3
Reel/Frame:008078/0564   Pages: 3
Recorded: 07/11/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/24/1996
2
Exec Dt:
06/27/1996
3
Exec Dt:
06/27/1996
4
Exec Dt:
06/27/1996
Assignee
1
P.O. BOX 1407 - HOUSTON, TEXAS 77251-1407
10205 WESTHEIMER ROAD
HOUSTON, TEXAS 77041
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08675268
Correspondence name and address
RICHARD A. FAGIN
10205 WESTHEIMER ROAD
HOUSTON, TEXAS 77042-3115
Assignment: 4
Reel/Frame:019621/0070   Pages: 8
Recorded: 07/30/2007
Attorney Dkt #:68.0695
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/25/2007
2
Exec Dt:
06/07/2007
3
Exec Dt:
06/07/2007
Assignee
1
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
11749778
Correspondence name and address
VIRGINIA SOLIS
14910 AIRLINE ROAD
BLDG. 20
ROSHARON, TX 77583
Assignment: 5
Reel/Frame:022175/0767   Pages: 8
Recorded: 01/29/2009
Attorney Dkt #:22.1643
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
12/18/2008
2
Exec Dt:
01/06/2009
3
Exec Dt:
01/06/2009
Assignee
1
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
12336490
Correspondence name and address
SCHLUMBERGER RESERVOIR COMPLETIONS
14910 AIRLINE ROAD
ROSHARON, TX 77583
Assignment: 6
Reel/Frame:023680/0506   Pages: 10
Recorded: 12/20/2009
Attorney Dkt #:22.1639
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/08/2009
2
Exec Dt:
10/09/2009
3
Exec Dt:
10/09/2009
4
Exec Dt:
10/09/2009
5
Exec Dt:
10/09/2009
Assignee
1
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
12570840
Correspondence name and address
SCHLUMBERGER RESERVOIR COMPLETIONS
14910 AIRLINE ROAD, BLDG. 14
AUTREY BROWN
ROSHARON, TX 77583
Assignment: 7
Reel/Frame:048879/0495   Pages: 9
Recorded: 04/15/2019
Attorney Dkt #:IS17.1074-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
12/13/2018
2
Exec Dt:
12/13/2018
3
Exec Dt:
12/12/2018
4
Exec Dt:
03/07/2019
Assignee
1
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
15988098
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042

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