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Patent Assignment Assignor Details
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Assignor Name : UNDERHILL, WILLIAM B.
Total Assignments: 6
Assignment: 1
Reel/Frame:010653/0137   Pages: 5
Recorded: 02/28/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
02/18/2000
2
Exec Dt:
02/25/2000
3
Exec Dt:
02/18/2000
4
Exec Dt:
02/18/2000
Assignee
1
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09514866
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ATTN: IP COUNSEL
STEVEN L. CHRISTIAN
200 GILLINGHAM LANE MD 200-9
SUGAR LAND, TEXAS 77478
Assignment: 2
Reel/Frame:012326/0376   Pages: 4
Recorded: 11/06/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/06/2001
2
Exec Dt:
11/06/2001
3
Exec Dt:
11/06/2001
Assignee
1
P.O. BOX 2175
110 SCHLUMBERGER DRIVE
HOUSTON, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
09992144
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JENNIE (JL) SALAZAR
ATTN: PATENT COUNSEL
110 SCHLUMBERGER DRIVE, P.O. BOX 2175
HOUSTON, TEXAS 77478
Assignment: 3
Reel/Frame:019169/0429   Pages: 7
Recorded: 04/17/2007
Attorney Dkt #:56.0882
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
04/05/2007
2
Exec Dt:
04/13/2007
3
Exec Dt:
04/03/2007
4
Exec Dt:
04/02/2007
Assignee
1
110 SCHLUMBERGER DRIVE
MD 1
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11693435
Correspondence name and address
DAVID CATE
110 SCHLUMBERGER DRIVE MD 1
SUGAR LAND, TX 77478
Assignment: 4
Reel/Frame:035051/0925   Pages: 11
Recorded: 02/19/2015
Attorney Dkt #:26.0582USNP CORR-ASSIGNME
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT ADD THREE CONVEYING PARTIES PREVIOUSLY RECORDED AT REEL: 025848 FRAME: 0880. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Assignors
1
Exec Dt:
02/04/2011
2
Exec Dt:
01/21/2011
3
Exec Dt:
02/20/2011
4
Exec Dt:
01/31/2011
Assignee
1
200 GILLINGHAM LANE, MD1
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13017039
Correspondence name and address
SCHLUMBERGER - COE
WESTERNGECO 10001 RICHMOND AVE.
ROOM 3028
HOUSTON, TX 77042
Assignment: 5
Reel/Frame:027732/0640   Pages: 6
Recorded: 02/20/2012
Attorney Dkt #:IS10.0868 US ASSIGNMENT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/31/2012
2
Exec Dt:
02/16/2012
Assignee
1
200 GILLINGHAM LANE, MD1
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
13360787
Correspondence name and address
SCHLUMBERGER - COE
WESTERNGECO 10001 RICHMOND AVE.
ROOM 3028
HOUSTON, TX 77042
Assignment: 6
Reel/Frame:029484/0834   Pages: 9
Recorded: 12/17/2012
Attorney Dkt #:IS122651USCIP ASSIGNMENT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/22/2012
2
Exec Dt:
09/24/2012
3
Exec Dt:
12/10/2012
4
Exec Dt:
09/27/2012
Assignee
1
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13623076
Correspondence name and address
SCHLUMBERGER - COE
WESTERNGECO 10001 RICHMOND AVE.
ROOM 3028
HOUSTON, TX 77042

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