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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 : VERMEER, PIETER LEONARD
Total Assignments: 5
Assignment: 1
Reel/Frame:009376/0185   Pages: 3
Recorded: 05/28/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
05/22/1998
Assignee
1
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS
Property
 
Pat #
Pub #
Intl #
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NONE
09077634
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
KEITH G. W. SMITH
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 2
Reel/Frame:013685/0602   Pages: 4
Recorded: 01/22/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/03/2002
2
Exec Dt:
10/03/2002
3
Exec Dt:
09/30/2002
Assignee
1
10001 RICHMOND AVENUE
HOUSTON, TEXAS 77042-4299
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10239443
Correspondence name and address
DAVID S. FIGATNER
10001 RICHMOND AVENUE
P.O. BOX 2469
WESTERNGECO INTELLECTUAL PROPERTY DEPT.
HOUSTON, TX 77042-4299
Assignment: 3
Reel/Frame:018876/0874   Pages: 11
Recorded: 02/09/2007
Attorney Dkt #:14.0318-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/14/2006
2
Exec Dt:
07/14/2006
3
Exec Dt:
02/21/2006
4
Exec Dt:
02/21/2006
5
Exec Dt:
07/14/2006
6
Exec Dt:
01/31/2007
Assignee
1
10001 RICHMOND AVENUE
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
11673313
Correspondence name and address
RHONDA J. SMITH
10001 RICHMOND AVENUE
HOUSTON, TX 77042
Assignment: 4
Reel/Frame:027829/0839   Pages: 8
Recorded: 03/08/2012
Attorney Dkt #:IS11.0480-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/19/2012
2
Exec Dt:
01/16/2012
Assignee
1
10001 RICHMOND AVENUE
HOUSTON, TEXAS 77042-4299
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13302770
Correspondence name and address
GARY GEX
10001 RICHMOND AVENUE
IP ADMINISTRATION CENTER OF EXCELLENCE
HOUSTON, TX 77042-4299
Assignment: 5
Reel/Frame:028676/0494   Pages: 10
Recorded: 07/30/2012
Attorney Dkt #:IS11.0221-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/30/2012
2
Exec Dt:
06/26/2012
3
Exec Dt:
07/30/2012
4
Exec Dt:
06/26/2012
Assignee
1
10001 RICHMOND AVENUE
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13427363
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
10001 RICHMOND AVENUE
IP CENTER OF EXCELLENCE
HOUSTON, TX 77042

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