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Patent Assignment Assignor Details
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Assignor Name : DUSSAN V., ELIZABETH B.
Total Assignments: 7
Assignment: 1
Reel/Frame:004720/0424   Pages: 2
Recorded: 05/07/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DUSSAN V., ELIZABETH B.
Exec Dt:
04/07/1987
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, 277 PARK AVENUE, NEW YORK, NEW YORK 10172, A CORP. OF TEXAS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4890487
NONE
07035563
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
ATTN: PATENT COUNSEL
OLD QUARRY RD.
RIDGEFIELD, CT 06877-4108
Assignment: 2
Reel/Frame:005849/0292   Pages: 3
Recorded: 08/30/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DUSSAN V., ELIZABETH B.
Exec Dt:
08/27/1991
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION A CORP. OF TEXAS
277 PARK AVENUE
NEW YORK, NEW YORK 10172
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5279153
NONE
07752724
Correspondence name and address
MARC D. FOODMAN
SCHLUMBERGER-DOLL RESEARCH
OLD QUARRY RD.
RIDGEFIELD, CT 06877-4108
Assignment: 3
Reel/Frame:006485/0231   Pages: 6
Recorded: 04/08/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
RAMAKRISHNAN, T.S.
Exec Dt:
03/18/1993
2
ROSSI, DAVID
Exec Dt:
03/18/1993
3
DAVE, YOGESH
Exec Dt:
03/18/1993
4
MURPHY, WILLIAM
Exec Dt:
03/18/1993
5
PLUMB, RICHARD
Exec Dt:
02/22/1993
6
GOODE, PETER
Exec Dt:
03/24/1993
7
KUCHUK, FIKRI
Exec Dt:
03/18/1993
8
HELWIG, JAMES
Exec Dt:
03/22/1993
9
AUZERAIS, FRANCOIS M.
Exec Dt:
03/18/1993
10
DUSSAN V., ELIZABETH B.
Exec Dt:
03/18/1993
Assignee
1
SCHLUMBERGER-DOLL RESEARCH
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877-4108
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5335542
NONE
08016933
Correspondence name and address
MARC D. FOODMAN, ESQ.
SCHLUMBERGER-DOLL RESEARCH
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 4
Reel/Frame:009253/0311   Pages: 4
Recorded: 06/08/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUSSAN V., ELIZABETH B.
Exec Dt:
05/07/1998
2
WU, XU
Exec Dt:
05/07/1998
3
MULLINS, OLIVER C.
Exec Dt:
05/07/1998
4
GAYLOR, RICHARD
Exec Dt:
05/07/1998
5
RAMOS, ROGERIO TADEU
Exec Dt:
05/07/1998
6
STEPHENSON, KENNETH
Exec Dt:
05/29/1998
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6075611
NONE
09074082
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
DAVID GARROD
INTELLECTUAL PROPERTY LAW DEPARTMENT
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 5
Reel/Frame:028463/0806   Pages: 11
Recorded: 06/28/2012
Attorney Dkt #:60.1821-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUSSAN V., ELIZABETH B.
Exec Dt:
06/18/2012
2
OUNADJELA, ABDERRHAMANE
Exec Dt:
06/14/2012
3
JOYCE, RICHARD D.
Exec Dt:
05/10/2012
4
JUNDT, JACQUES
Exec Dt:
06/13/2012
5
GRANT, DOUGLAS W.
Exec Dt:
05/14/2012
6
HARRIGAN, EDWARD
Exec Dt:
05/29/2012
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9097106
US20130255367
13436412
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
10001 RICHMOND AVENUE
IP ADMINISTRATION CENTER OF EXCELLENCE
HOUSTON, TX 77042
Assignment: 6
Reel/Frame:033839/0018   Pages: 13
Recorded: 09/29/2014
Attorney Dkt #:IS13.4402-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHEIRETOV, TODOR
Exec Dt:
09/08/2014
2
DUSSAN V., ELIZABETH B.
Exec Dt:
09/29/2014
3
BLAKE, SARAH
Exec Dt:
09/25/2014
4
JENSEN, MICHAEL
Exec Dt:
09/08/2014
5
HERBST, NEIL
Exec Dt:
09/08/2014
6
AGUIRRE, FRANZ
Exec Dt:
09/08/2014
7
EWAN, ROBIN
Exec Dt:
08/29/2014
8
SAAVEDRA, EZEQUIEL
Exec Dt:
09/08/2014
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160032711
14448818
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 7
Reel/Frame:036285/0205   Pages: 6
Recorded: 08/10/2015
Attorney Dkt #:IS13.3094-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BETANCOURT, SORAYA S.
Exec Dt:
01/30/2015
2
DUSSAN V., ELIZABETH B.
Exec Dt:
02/19/2015
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10550687
US20150354342
14762779
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042

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