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Patent Assignment Assignor Details
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Assignor Name : GUNAWARDANA, RUVINDA
Total Assignments: 8
Assignment: 1
Reel/Frame:012419/0299   Pages: 4
Recorded: 12/20/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
12/12/2001
2
Exec Dt:
12/12/2001
Assignee
1
110 SCHLUMBERGER DRIVE
SUGARLAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10028630
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
J.L. JENNIE SALAZAR
110 SCHLUMBERGER DRIVE
SUGAR LAND, TX 77478
Assignment: 2
Reel/Frame:013482/0600   Pages: 3
Recorded: 03/17/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/13/2003
2
Exec Dt:
03/13/2003
Assignee
1
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10249117
Correspondence name and address
SCHLUMBERGER OILFIELD SERVICES
200 GILLINGHAM LANE
MD 200-9
SUGAR LAND, TX 77478
Assignment: 3
Reel/Frame:014237/0962   Pages: 3
Recorded: 01/07/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
01/06/2004
Assignee
1
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10707723
Correspondence name and address
SCHLUMBERGER OILFIELD SERVICES
200 GILLINGHAM LANE
MD 200-9
SUGAR LAND, TX 77478
Assignment: 4
Reel/Frame:014623/0065   Pages: 4
Recorded: 05/18/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/18/2004
2
Exec Dt:
05/17/2004
Assignee
1
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10709615
Correspondence name and address
SCHLUMBERGER OILFIELD SERVICES
200 GILLINGHAM LANE
MD 200-9
SUGAR LAND, TX 77478
Assignment: 5
Reel/Frame:014746/0585   Pages: 4
Recorded: 06/18/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
06/15/2004
Assignee
1
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10710101
Correspondence name and address
SCHLUMBERGER OILFIELD SERVICES
200 GILLINGHAM LANE
MD 200-9
SUGAR LAND, TX 77478
Assignment: 6
Reel/Frame:015915/0228   Pages: 8
Recorded: 10/25/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/12/2004
2
Exec Dt:
06/18/2004
3
Exec Dt:
06/22/2004
4
Exec Dt:
08/04/2004
5
Exec Dt:
06/22/2004
6
Exec Dt:
07/22/2004
7
Exec Dt:
07/23/2004
8
Exec Dt:
06/15/2004
Assignee
1
200 GILLINGHAM LANE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
10710103
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ATTN: PATENT COUNSEL
110 SCHLUMBERGER DRIVE
SUGAR LAND, TX 77478
Assignment: 7
Reel/Frame:051507/0472   Pages: 3
Recorded: 01/08/2020
Attorney Dkt #:MIT-380AUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
08/17/2017
Assignee
1
P.O. BOX 324
ASML HOLDING N.V.
AH VELDHOVEN, NETHERLANDS 5500
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
16490206
Correspondence name and address
DALY, CROWLEY, MOFFORD & DURKEE, LLP
ONE UNIVERSITY AVENUE
SUITE 201B
WESTWOOD, MA 02090
Assignment: 8
Reel/Frame:059438/0330   Pages: 3
Recorded: 03/18/2022
Attorney Dkt #:MIT-380BUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
08/17/2017
Assignee
1
P.O. BOX 324
ASML HOLDING N.V.
AH VELDHOVEN, NETHERLANDS 5500
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
17653661
Correspondence name and address
DALY, CROWLEY, MOFFORD & DURKEE, LLP
ONE UNIVERSITY AVENUE
SUITE 201B
WESTWOOD, MA 02090

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