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Patent Assignment Assignor Details
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Assignor Name : LEISING, LARRY J.
Total Assignments: 9
Assignment: 1
Reel/Frame:006114/0486   Pages: 3
Recorded: 02/18/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WINN, FRED M., JR.
Exec Dt:
02/10/1992
2
CAMERON, DONALD C.
Exec Dt:
02/10/1992
3
LEISING, LARRY J.
Exec Dt:
02/10/1992
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5230363
NONE
07683227
Correspondence name and address
STEPHEN A. LITTLEFIELD
DOWELL SCHLUMBERGER INC.
P. O. BOX 2710
TULSA, OK 74101
Assignment: 2
Reel/Frame:007090/0653   Pages: 3
Recorded: 08/08/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEISING, LARRY J.
Exec Dt:
07/25/1994
2
DOREMUS, DENIS
Exec Dt:
07/25/1994
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5488989
NONE
08252899
Correspondence name and address
STEPHEN A. LITTLEFIELD
CAROL A. WELCH - PATENT COUNSEL
105 INDUSTRIAL BLVD.
SUGAR LAND, TX 77478
Assignment: 3
Reel/Frame:007103/0650   Pages: 3
Recorded: 08/22/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEISING, LARRY J.
Exec Dt:
08/05/1994
2
DOREMUS, DENIS
Exec Dt:
07/29/1994
3
SHAHEEN, MANSOUR S.
Exec Dt:
07/13/1994
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
300 SCHLUMBERGER DRIVE
SUGAL LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5431219
NONE
08266016
Correspondence name and address
STEPHEN A. LITTLEFIELD
DOWELL SCHLUMBERGER INCORPORATED
105 INDUSTRIAL BLVD.
SUGAR LAND, TX 77478
Assignment: 4
Reel/Frame:008311/0309   Pages: 4
Recorded: 11/04/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEISING, LARRY J.
Exec Dt:
10/24/1996
2
MCGILL, HOWARD L.
Exec Dt:
10/29/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5857710
NONE
08743275
Correspondence name and address
BUSH, RIDDLE & JACKSON
EUGENE N. RIDDLE
950 ECHO LANE, SUITE 180
HOUSTON, TX 77024
Assignment: 5
Reel/Frame:027367/0418   Pages: 9
Recorded: 12/12/2011
Attorney Dkt #:19.0672
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEISING, LARRY J.
Exec Dt:
10/17/2011
2
ESPINOSA, FRANK
Exec Dt:
10/26/2011
3
KENISON, MICHAEL H.
Exec Dt:
10/17/2011
4
ERKOL, ZAFER
Exec Dt:
10/31/2011
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8789585
US20120085531
13231114
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION, HPS
10001 RICHMOND AVENUE
IP ADMINISTRATION CENTER OF EXCELLENCE
HOUSTON, TX 77042
Assignment: 6
Reel/Frame:028942/0067   Pages: 8
Recorded: 09/12/2012
Attorney Dkt #:25.0525-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SHAMPINE, ROD
Exec Dt:
09/04/2012
2
LEISING, LARRY J.
Exec Dt:
09/05/2012
3
ZHENG, SHUNFENG
Exec Dt:
09/04/2012
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9109411
US20120318531
13528188
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
10001 RICHMOND AVENUE
IP CENTER OF EXCELLENCE
HOUSTON, TX 77042
Assignment: 7
Reel/Frame:029661/0864   Pages: 6
Recorded: 01/20/2013
Attorney Dkt #:19.0671USPSP/NP ASSIGNMEN
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEISING, LARRY J.
Exec Dt:
01/18/2013
2
NASON, TROY
Exec Dt:
01/18/2013
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8960330
US20120145462
13306587
Correspondence name and address
SCHLUMBERGER - COE
WESTERNGECO 10001 RICHMOND AVE.
ROOM 3028
HOUSTON, TX 77042
Assignment: 8
Reel/Frame:044220/0609   Pages: 8
Recorded: 11/27/2017
Attorney Dkt #:IS12.3158-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HAJJARI, MOHAMMAD
Exec Dt:
02/06/2013
2
MARYA, MANUEL P.
Exec Dt:
02/18/2013
3
LEISING, LARRY J.
Exec Dt:
02/05/2013
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10233724
US20150369003
14653680
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 9
Reel/Frame:035583/0755   Pages: 8
Recorded: 05/07/2015
Attorney Dkt #:IS10.1022-US-PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BURGOS, REX
Exec Dt:
05/04/2015
2
PIPCHUK, DOUGLAS A.
Exec Dt:
05/06/2015
3
LEISING, LARRY J.
Exec Dt:
04/29/2015
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10309174
US20150136425
14408273
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042

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