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Patent Assignment Assignor Details
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Assignor Name : PLONA, THOMAS
Total Assignments: 4
Assignment: 1
Reel/Frame:006038/0261   Pages: 4
Recorded: 03/13/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
03/04/1992
2
Exec Dt:
03/04/1992
3
Exec Dt:
02/24/1992
4
Exec Dt:
03/04/1992
5
Exec Dt:
02/24/1992
Assignee
1
A CORPORATION OF TX
5000 GULF FREEWAY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07839969
Correspondence name and address
LETICIA V. SALAS
200 MACCO BLVD.
SUGAR LAND, TX 77478
Assignment: 2
Reel/Frame:006094/0541   Pages: 3
Recorded: 04/23/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
04/07/1992
2
Exec Dt:
04/07/1992
3
Exec Dt:
04/07/1992
Assignee
1
A CORP. OF TEXAS
277 PARK AVENUE
NEW YORK, NEW YORK 10172
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07854551
Correspondence name and address
MARC D. FOODMAN
SCHLUMBERGER-DOLL RESEARCH
OLD QUARRY RD.
RIDGEFIELD, CT 06877-4108
Assignment: 3
Reel/Frame:007022/0230   Pages: 7
Recorded: 06/06/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/09/1994
2
Exec Dt:
06/02/1994
3
Exec Dt:
05/19/1994
4
Exec Dt:
05/18/1994
5
Exec Dt:
06/01/1994
6
Exec Dt:
06/02/1994
7
Exec Dt:
06/02/1994
8
Exec Dt:
06/02/1994
Assignee
1
5000 GULF FREEWAY
HOUSTON, TEXAS 77023
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08235625
Correspondence name and address
PATENT COUNSEL
ANADRILL SCHLUMBERGER
200 GILLINGHAM LANE
SUGAR LAND, TEXAS 77478
Assignment: 4
Reel/Frame:011495/0099   Pages: 5
Recorded: 02/02/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/30/2001
2
Exec Dt:
01/29/2001
3
Exec Dt:
01/30/2001
4
Exec Dt:
01/16/2001
5
Exec Dt:
01/29/2001
Assignee
1
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
09741574
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
WILLIAM B. BATZER
INTELLECTUAL PROPERTY LAW DEPARTMENT
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108

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