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Page 5 of 106

Assignee Name : SCHLUMBERGER TECHNOLOGY CORPORATION
Total Assignments: 10511
Assignment: 401
Reel/Frame:007935/0078   Pages: 2
Recorded: 03/29/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HERRON, SUSAN L.
Exec Dt:
03/29/1996
2
HERRON, MICHAEL M.
Exec Dt:
03/29/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5786595
NONE
08625459
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
BRIGITTE L. JEFFERY
PATENT DEPARTMENT
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Assignment: 402
Reel/Frame:007922/0557   Pages: 2
Recorded: 05/01/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MELCHER, CHARLES L.
Exec Dt:
04/08/1996
2
SCHWEITZER, JEFFREY S.
Exec Dt:
04/08/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5961714
NONE
08612343
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
LEONARD W. POJUNAS
PATENT DEPARTMENT
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Assignment: 403
Reel/Frame:007998/0346   Pages: 3
Recorded: 04/17/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRIFFIN, DOUGLAS D.
Exec Dt:
04/11/1996
2
HALL, JAMES STEPHEN
Exec Dt:
04/12/1996
3
SEZGINER, ABDURRAHMAN
Exec Dt:
04/11/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5767674
NONE
08639009
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
BRIGITTE L. JEFFERY
OLD QUARRY ROAD
RIDGEFIELD, CT 06877
Assignment: 404
Reel/Frame:008007/0852   Pages: 4
Recorded: 06/17/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SMITH, EDWARD G., JR.
Exec Dt:
04/17/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5848646
NONE
08638001
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JOHN H. BOUCHARD
PATENT COUNSEL
P.O. BOX 2175
HOUSTON, TEXAS 77252-2175
Assignment: 405
Reel/Frame:008007/0895   Pages: 4
Recorded: 06/17/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MULLER, LAURENT E.
Exec Dt:
04/17/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5848646
NONE
08638001
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JOHN H. BOUCHARD
PATENT COUNSEL
P.O. BOX 2175
HOUSTON, TEXAS 77252-2175
Assignment: 406
Reel/Frame:008009/0652   Pages: 4
Recorded: 06/17/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
EDWARDS, A. GLEN
Exec Dt:
04/17/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5848646
NONE
08638001
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JOHN H. BOUCHARD
ATTN: PATENT COUNSEL
P.O. BOX 2175
HOUSTON, TEXAS 77252-2175
Assignment: 407
Reel/Frame:008005/0448   Pages: 4
Recorded: 06/17/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HUBER,KLAUS B.
Exec Dt:
04/19/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5848646
NONE
08638001
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ATTN: PATENT COUNSEL
P.O. BOX 2175
HOUSTON, TX 77252-2175
Assignment: 408
Reel/Frame:007920/0683   Pages: 3
Recorded: 05/03/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MILLER, DOUGLAS
Exec Dt:
04/22/1996
2
STANKE, FRED E.
Exec Dt:
04/25/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5859811
NONE
08609114
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
LEONARD W. POJUNAS
PATENT DEPT.
OLD QUARRY ROAD
RIDGEFIELD, CT 06877
Assignment: 409
Reel/Frame:009026/0571   Pages: 5
Recorded: 03/05/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEGLEIN, ARTHUR BENJAMIN
Exec Dt:
04/24/1996
2
GASPAROTTO, FERNANDA ARAUJO
Exec Dt:
04/26/1996
Assignees
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
2
ATLANTIC RICHFIELD COMPANY
2300 WEST PLANO PARKWAY`
PLANO, TEXAS 75075
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5757723
NONE
08628718
Correspondence name and address
JACOBSON, PRICE, HOLMAN & STERN
JOHN C. HOLMAN
400 7TH STREET, NW
WASHINGTON, DC 20004
Assignment: 410
Reel/Frame:007996/0839   Pages: 4
Recorded: 05/10/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
PATEL, DINESH R.
Exec Dt:
05/07/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5810087
NONE
08646673
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ATTN: JOHN H. BOUCHARD
PATENT COUNSEL
P.O. BOX 2175
HOUSTON, TX 77252-2175
Assignment: 411
Reel/Frame:007981/0935   Pages: 3
Recorded: 05/10/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
FLORES, AARON G.
Exec Dt:
05/10/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
P.O. BOX 2175
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5701751
NONE
08646675
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ATTN: PATENT COUNSEL
DARCELL WALKER
P.O. BOX 2175
HOUSTON, TX 77252-2175
Assignment: 412
Reel/Frame:007981/0016   Pages: 2
Recorded: 06/03/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
AUZERAIS, M. FRANCOIS
Exec Dt:
05/14/1996
2
LIANG, K. KENNETH
Exec Dt:
05/14/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5676213
NONE
08630739
Correspondence name and address
PATENT DEPARTMENT
SCHLUMBERGER-DOLL RESEARCH
LEONARD W. POJUNAS
OLD QUARRY ROAD
RIDGEFIELD, CT 06877
Assignment: 413
Reel/Frame:007981/0027   Pages: 4
Recorded: 06/03/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PIETRAS, JOSEPH STEVEN III
Exec Dt:
05/14/1996
2
STEPHENSON, KENNETH
Exec Dt:
05/10/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARRY ROAD
RIDGEFIELD,, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5680431
NONE
08630736
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
LEONARD W. POJUNAS/PATENT DEPARTMENT
OLD QUARRY ROAD
RIDGEFIELD, CT 06877
Assignment: 414
Reel/Frame:008029/0073   Pages: 2
Recorded: 06/14/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
AUZERAIS, FRANCOIS M.
Exec Dt:
05/14/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5969241
NONE
08632370
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
BRIGITTE L. JEFFERY
PATENT DEPARTMENT
OLD QUARRY ROAD
RIDGEFIELD, CT 06877
Assignment: 415
Reel/Frame:007989/0887   Pages: 4
Recorded: 06/03/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SLOAN, W. ROBERT
Exec Dt:
05/22/1996
2
KURKOSKI, PHILIP L.
Exec Dt:
05/08/1996
3
HOLENKA, JACQUES M.
Exec Dt:
05/22/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND,, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5635711
NONE
08637567
Correspondence name and address
ANADRILL SCHLUMBERGER
WAYNE I. KANAK
PATENT COUNSEL
200 GILLINGHAM LANE
SUGAR LAND, TX 77478
Assignment: 416
Reel/Frame:007989/0948   Pages: 3
Recorded: 06/03/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MASAK, PETER C.
Exec Dt:
05/28/1996
2
MALONE, DAVID L.
Exec Dt:
05/28/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5901113
NONE
08614288
Correspondence name and address
ANADRILL SCHLUMBERGER
WAYNE I. KANAK
PATENT COUNSEL
200 GILLINGHAM LANE
SUGAR LAND, TEXAS 77478
Assignment: 417
Reel/Frame:008076/0131   Pages: 3
Recorded: 08/02/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TORRES-VERDIN, CARLOS
Exec Dt:
06/19/1996
2
FANG, SHENG
Exec Dt:
06/19/1996
3
DRUSKIN, VLADIMIR
Exec Dt:
06/19/1996
4
BRYANT, IAN
Exec Dt:
06/27/1996
5
KARAKAS, METIN
Exec Dt:
06/19/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5767680
NONE
08661497
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
BRIGITTE L. JEFFERY
PATENT DEPARTMENT
OLD QUARRY ROAD
RIDGEFIELD, CT 06877
Assignment: 418
Reel/Frame:008064/0037   Pages: 3
Recorded: 07/29/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
EVANS, MICHAEL L.
Exec Dt:
07/11/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5608215
NONE
08599712
Correspondence name and address
ANADRILL SCHLUMBERGER
WAYNE I. KANAK
PATENT COUNSEL
200 GILLINGHAM LANE
SUGAR LAND, TX 77478
Assignment: 419
Reel/Frame:008064/0044   Pages: 4
Recorded: 07/29/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ARON, JEFFREY B.
Exec Dt:
07/11/1996
2
CHANG, SHU-KONG
Exec Dt:
07/11/1996
3
KLASEL, DONALD A.
Exec Dt:
07/11/1996
4
LAU, TING M.
Exec Dt:
07/11/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5753812
NONE
08569027
Correspondence name and address
PATENT COUNSEL
ANADRILL SCHLUMBERGER
200 GILLINGHAM LANE
SUGAR LAND, TX 77478
Assignment: 420
Reel/Frame:008206/0091   Pages: 3
Recorded: 09/17/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
REZGUI, FADHEL
Exec Dt:
08/13/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5736650
NONE
08663342
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
CARL O. MCCLENNY
110 SCHLUMBERGER DRIVE
SUGAR LAND, TX 77478
Assignment: 421
Reel/Frame:008206/0100   Pages: 3
Recorded: 09/17/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DONZIER, ERIC
Exec Dt:
08/13/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE, P.O. BOX 2175
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5736650
NONE
08663342
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
CARL O. MCCLENNY
P.O. BOX 2175
HOUSTON, TX 77478
Assignment: 422
Reel/Frame:008206/0103   Pages: 3
Recorded: 09/10/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HIRON, STEPHANE
Exec Dt:
08/13/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5736650
NONE
08663342
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
CARL O. MCCLENNY
PATENT COUNSEL
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Assignment: 423
Reel/Frame:008158/0011   Pages: 2
Recorded: 08/20/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BECKER, ARTHUR J.
Exec Dt:
08/20/1996
2
WRAIGHT, PETER D.
Exec Dt:
08/20/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5910654
NONE
08700202
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
BRIGITTE L. JEFFERY
PATENT DEPARTMENT
OLD QUARRY ROAD
RIDGEFIELD, CT 06877
Assignment: 424
Reel/Frame:008210/0499   Pages: 3
Recorded: 08/30/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
JORION, BRUNO
Exec Dt:
08/29/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5884234
NONE
08705389
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
DARCELL WALKER
PATENT COUNSEL
110 SCHLUMBERGER DRIVE
SUGAR LAND, TX 77478
Assignment: 425
Reel/Frame:008210/0523   Pages: 3
Recorded: 08/30/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
STOLLER, CHRISTIAN (NMN)
Exec Dt:
08/29/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5884234
NONE
08705389
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
DARCELL WALKER
PATENT COUNSEL
110 SCHLUMBERGER DRIVE
SUGAR LAND, TX 77478
Assignment: 426
Reel/Frame:009307/0103   Pages: 5
Recorded: 09/19/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CARD, ROGER JOHN
Exec Dt:
09/06/1996
2
NIMERICK, KENNETH H.
Exec Dt:
09/09/1996
3
MABERRY, L. JACK
Exec Dt:
09/09/1996
4
MCCONNELL, S. BRUCE
Exec Dt:
09/09/1996
5
NELSON, ERIK BENTLEY
Exec Dt:
09/09/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
P.O. BOX 4610
HOUSTON, TEXAS 77210
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5877127
NONE
08641677
Correspondence name and address
DOWELL DIV. OF SCHLUMBERGER TECH. CORP.
JOHN E. VICK, JR.
PATENT COUNSEL
P.O. BOX 4610
HOUSTON, TX 77210-4610
Assignment: 427
Reel/Frame:009315/0950   Pages: 5
Recorded: 09/17/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CARD, ROGER JOHN
Exec Dt:
09/09/1996
2
NIMERICK, KENNETH H.
Exec Dt:
09/06/1996
3
MABERRY, L. JACK
Exec Dt:
09/06/1996
4
MCCONNELL, S. BRUCE
Exec Dt:
09/06/1996
5
NELSON, ERIK BENTLEY
Exec Dt:
09/09/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
P.O. BOX 4610
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5877127
NONE
08641677
Correspondence name and address
DOWELL, A DIVISION OF SCHLUMBERGER
TECHNOLOGY CORPORATION
JOHN E. VICK, JR.
P.O. BOX 4610, 110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Assignment: 428
Reel/Frame:008228/0981   Pages: 4
Recorded: 09/20/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
PEPPER, RANDOLPH E.F.
Exec Dt:
09/16/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
GEOQUEST, A DIVISION OF
5599 SAN FELIPE, SUITE 1700
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5873051
NONE
08717007
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JOHN H. BOUCHARD
5599 SAN FELIPE
RM. 15047
HOUSTON, TX. 77056-2722
Assignment: 429
Reel/Frame:008208/0935   Pages: 4
Recorded: 10/15/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
EDDISON, ALAN M.
Exec Dt:
09/17/1996
2
ASKEW, WARREN E.
Exec Dt:
09/30/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
PATENT COUNSEL
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5727641
NONE
08692251
Correspondence name and address
ANADRILL
WAYNE I. KANAK
PATENT COUNSEL
200 GILLINGHAM LANE
SUGAR LAND, TX 77478
Assignment: 430
Reel/Frame:008210/0914   Pages: 5
Recorded: 09/30/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BARLET-GOUEDARD, VERONIQUE
Exec Dt:
09/18/1996
2
DARGAUD, BERNARD
Exec Dt:
09/18/1996
3
GARNIER, ANDRE
Exec Dt:
09/18/1996
4
MAROY, PIERRE
Exec Dt:
09/18/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6312515
NONE
08664018
Correspondence name and address
DOWELL, A DIVISON OF SCHLUMBERGER
TECHNOLOGY CORPORATION
PATENT COUNSEL
110 SCHLUMBERGER DRIVE
SUGAR LAND, TX 77478
Assignment: 431
Reel/Frame:008403/0512   Pages: 4
Recorded: 02/24/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BROWN, J. ERNEST
Exec Dt:
10/15/1996
2
CARD, ROGER J.
Exec Dt:
10/14/1996
3
NELSON, ERIK B.
Exec Dt:
10/08/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5964295
NONE
08727877
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
PATENT COUNSEL
110 SCHLUMBERGER DRIVE
SUGAR LAND, TX 77478
Assignment: 432
Reel/Frame:008453/0247   Pages: 4
Recorded: 02/24/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BROWN, J. ERNEST
Exec Dt:
10/15/1996
2
CARD, ROGER J.
Exec Dt:
10/14/1996
3
NELSON, ERIK B.
Exec Dt:
10/08/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5964295
NONE
08727877
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TX 77478
Assignment: 433
Reel/Frame:008294/0808   Pages: 3
Recorded: 01/02/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STEPHENSON, KENNETH E.
Exec Dt:
10/16/1996
2
BECKER, ARTHUR J.
Exec Dt:
12/30/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5689540
NONE
08730547
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
BRIGITTE L. JEFFERY
OLD QUARRY ROAD, PATENT DEPT.
RIDGEFIELD, CT 06877-4108
Assignment: 434
Reel/Frame:008297/0632   Pages: 3
Recorded: 01/07/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MOLDOVEANU, NICOLAE
Exec Dt:
10/17/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
1325 SOUTH DAIRY ASHFORD
GECO-PRAKLA DIVISION
HOUSTON, TEXAS 77077
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5621700
NONE
08650325
Correspondence name and address
FISH & RICHARDSON P.C.
JONATHAN P. OSHA
ONE RIVERWAY, SUITE 1200
HOUSTON, TX 77056
Assignment: 435
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: 436
Reel/Frame:008294/0986   Pages: 3
Recorded: 01/09/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SMITS, JAN W.
Exec Dt:
11/06/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5852363
NONE
08733130
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
KEITH G.W. SMITH
PATENT DEPARTMENT
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 437
Reel/Frame:008311/0689   Pages: 3
Recorded: 01/16/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
EISENMANN, PIERRE
Exec Dt:
11/06/1996
2
SMITS, JAN W.
Exec Dt:
11/06/1996
3
FAIVRE, OLLIVIER
Exec Dt:
11/06/1996
4
TROUILLER, JEAN CLAUDE
Exec Dt:
11/06/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6046593
NONE
08733583
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
KEITH G. W. SMITH
PATENT DEPARTMENT
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 438
Reel/Frame:008319/0442   Pages: 3
Recorded: 01/21/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SMITS, JAN W.
Exec Dt:
11/06/1996
2
TROUILLER, J.C.
Exec Dt:
11/06/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5754050
NONE
08733574
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
KEITH G. W. SMITH
PATENT DEPARTMENT
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 439
Reel/Frame:008363/0769   Pages: 4
Recorded: 11/13/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOWARD, PAUL RICHARD
Exec Dt:
11/08/1996
2
JAMES, SIMON GARETH
Exec Dt:
11/08/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5782300
NONE
08748446
Correspondence name and address
DOWELL, A DIVISION OF SCHLUMBERGER
TECHNOLOGY CORPORATION
P.O. BOX 4610
110 SCHLUMBERGER DRIVE
SUGAR LAND, TX 77478
Assignment: 440
Reel/Frame:008347/0644   Pages: 4
Recorded: 12/10/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
RYTLEWSKI, GARY L.
Exec Dt:
12/02/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6085845
NONE
08762762
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JOHN H. BOUCHARD
ATTN: PATENT COUNSEL
P.O. BOX 2175
HOUSTON, TX 77252-2175
Assignment: 441
Reel/Frame:008353/0511   Pages: 4
Recorded: 12/18/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
PATEL, DINESH R.
Exec Dt:
12/02/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6085845
NONE
08762762
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JOHN H. BOUCHARD
ATTN: PATENT COUNSEL
P.O. BOX 2175
HOUSTON, TX 77252-2175
Assignment: 442
Reel/Frame:008681/0458   Pages: 10
Recorded: 09/04/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
BITTLESTON, SIMON H.
Exec Dt:
12/02/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5745436
NONE
08750495
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
KEITH G. W. SMITH
INTELLECTUAL PROPERTY LAW DEPT.
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 443
Reel/Frame:008426/0844   Pages: 2
Recorded: 12/04/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SEZGINER, ABDURRAHMAN
Exec Dt:
12/04/1996
2
GRIFFIN, DOUGLAS
Exec Dt:
12/04/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5831433
NONE
08759829
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
KEITH G.W. SMITH
ONE QUARRY ROAD
PATENT DEPARTMENT
RIDGEFIELD, CT 06877-4108
Assignment: 444
Reel/Frame:008348/0902   Pages: 3
Recorded: 12/06/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
AUZERAIS, FRANCOIS
Exec Dt:
12/06/1996
2
SCHROEDER, ROBERT J.
Exec Dt:
12/06/1996
3
COUET, BENOIT
Exec Dt:
12/06/1996
4
TARVIN, JEFFREY A.
Exec Dt:
12/06/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5790185
NONE
08759691
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
KEITH G. W. SMITH
PATENT DEPARTMENT
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 445
Reel/Frame:008365/0067   Pages: 4
Recorded: 12/13/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SONG, HAOSHI
Exec Dt:
12/11/1996
2
LANDS, JACK F. JR.
Exec Dt:
12/11/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
P.O. BOX 2175
HOUSTON, TEXAS 77252
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5833001
NONE
08768027
Correspondence name and address
SCHLUMBERGER WELL SERVICES
JOHN J. RYBERG
P.O. BOX 2175
HOUSTON, TX 77252-2175
Assignment: 446
Reel/Frame:008302/0791   Pages: 2
Recorded: 12/19/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CELNIKER, GEORGE WILLIAM
Exec Dt:
12/13/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
P.O. BOX 200015
8311 NORTH RR 620
AUSTIN, TEXAS 78720
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5905657
NONE
08770209
Correspondence name and address
FISH & RICHARDSON P.C.
HOWARD L. SPEIGHT
ONE RIVERWAY, STE. 1200
HOUSTON, TX 77056
Assignment: 447
Reel/Frame:008371/0005   Pages: 3
Recorded: 12/19/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ASSA, STEVEN BRENT
Exec Dt:
12/16/1996
2
CELNIKER, GEORGE WILLIAM
Exec Dt:
12/11/1996
3
ENDRES, DAVID MACK
Exec Dt:
12/12/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
8311 NORTH RR 620, P.O. BOX 200015
AUSTIN, TEXAS 78720
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6128577
NONE
08772082
Correspondence name and address
FISH & RICHARDSON P.C.
HOWARD L. SPEIGHT
ONE RIVERWAY, SUITE 1200
HOUSTON, TX 77056
Assignment: 448
Reel/Frame:008374/0821   Pages: 3
Recorded: 12/23/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ANIGBOGU, JULIAN C.
Exec Dt:
12/17/1996
2
RENISKA, KIM
Exec Dt:
12/17/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
SCHLUMBERGER AUSTIN PRODUCT CENTER
8311 NORTH RR 620 - P.O. BOX 200015
AUSTIN, TEXAS 78720
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6021198
NONE
08772712
Correspondence name and address
DANITA J.M. MASELES
SCHLUMBERGER AUSTIN PRODUCT CENTER
8311 NORTH RR 620
P.O. BOX 200015
AUSTIN, TEXAS 78720
Assignment: 449
Reel/Frame:008370/0942   Pages: 3
Recorded: 12/24/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ALVARADO, JUAN C.
Exec Dt:
12/20/1996
2
CRAIEVICH, DANIELLE S. P.
Exec Dt:
12/20/1996
3
PROVOST, J. THOMAS
Exec Dt:
12/20/1996
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
8311 NORTH RR 620, P.O. BOX 200015
SCHLUMBERGER AUSTIN PRODUCT CENTER
AUSTIN, TEXAS 78720
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5864772
NONE
08772956
Correspondence name and address
SCHLUMBERGER AUSTIN PRODUCT CENTER
DANITA J. M. MASELES
8311 NORTH RR 620
P.O. BOX 200015
AUSTIN, TX 78720
Assignment: 450
Reel/Frame:008494/0464   Pages: 6
Recorded: 02/19/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STOLLER, CHRISTIAN
Exec Dt:
01/10/1997
2
WIJEYESEKERA, NIHAL I.
Exec Dt:
01/15/1997
3
DASGUPTA, URMI
Exec Dt:
01/10/1997
4
MCKEON, DONALD C.
Exec Dt:
01/10/1997
5
WRAIGHT, PETER D.
Exec Dt:
01/14/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5841135
NONE
08800976
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
DARCELL WALKER
110 SCHLUMBERGER DRIVE
SUGAR LAND, TX 77478
Assignment: 451
Reel/Frame:008827/0563   Pages: 4
Recorded: 01/21/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MALONE, DAVID L.
Exec Dt:
01/14/1997
2
NEME, ERIC E.
Exec Dt:
01/10/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5941308
NONE
08769260
Correspondence name and address
ANADRILL SCHLUMBERGER
WAYNE I. KANAK
PATENT COUNSEL
200 GILLINGHAM LANE
SUGAR LAND, TX 77478
Assignment: 452
Reel/Frame:008361/0031   Pages: 3
Recorded: 02/18/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DOREL, ALAIN P.
Exec Dt:
01/21/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6047784
NONE
08783711
Correspondence name and address
ANADRILL SCHLUMBERGER
PATENT COUNSEL
200 GILLINGHAM LANE
SUGAR LAND, TX 77478
Assignment: 453
Reel/Frame:008464/0236   Pages: 5
Recorded: 03/11/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HAVLINEK, KENNETH L.
Exec Dt:
01/27/1997
2
TESCIUBA, MICHELE
Exec Dt:
01/20/1997
3
MACDOUGALL, THOMAS D.
Exec Dt:
01/20/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5779085
NONE
08815059
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
DARCELL WALKER
ATTN: PATENT COUNSEL
P.O. BOX 2175
SUGAR LAND, TX 77252-2175
Assignment: 454
Reel/Frame:008416/0796   Pages: 2
Recorded: 01/29/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SINHA, BIKASH K.
Exec Dt:
01/28/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5808963
NONE
08789906
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
KEITH G.W. SMITH
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 455
Reel/Frame:008361/0345   Pages: 3
Recorded: 02/18/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
EVANS, MICHAEL L.
Exec Dt:
01/30/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5767510
NONE
08664759
Correspondence name and address
ANADRILL
WAYNE J. KANAK
PATENT COUNSEL
200 GILLINGHAM LANE
SUGAR LAND, TX 77478
Assignment: 456
Reel/Frame:008434/0462   Pages: 5
Recorded: 02/25/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAVAURE, GILBERT
Exec Dt:
01/30/1997
2
JONAS, JASON
Exec Dt:
01/27/1997
3
PIOT, BERNARD
Exec Dt:
02/14/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5890537
NONE
08805782
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
DOWELL DIVISION
P.O. BOX 4610
HOUSTON, TX 77210-4610
Assignment: 457
Reel/Frame:008539/0447   Pages: 4
Recorded: 02/06/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RAMOS, ROGERIO TADEU
Exec Dt:
01/30/1997
2
FORDHAM, EDMUND J.
Exec Dt:
02/04/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5831743
NONE
08793166
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
KEITH G. W. SMITH
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 458
Reel/Frame:008540/0826   Pages: 5
Recorded: 02/25/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAVAURE, GILBERT
Exec Dt:
01/30/1997
2
JONAS, JASON
Exec Dt:
01/27/1997
3
PIOT, BERNARD
Exec Dt:
02/14/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
P.O. BOX 4610, HOUSTON, TX 77210-4610
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5890537
NONE
08805782
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
PATENT COUNSEL, DOWELL DIVISION
P.O. BOX 4610
HOUSTON, TX 77210-4610
Assignment: 459
Reel/Frame:008381/0873   Pages: 3
Recorded: 03/05/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WU, PETER T.
Exec Dt:
01/31/1997
2
TABANOU, JACQUES R.
Exec Dt:
01/31/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5900733
NONE
08789902
Correspondence name and address
ANADRILL
PATENT COUNSEL
200 GILLINGHAM LANE
SUGAR LAND, TX 77478
Assignment: 460
Reel/Frame:008428/0778   Pages: 3
Recorded: 04/01/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
OHMER, HERVE
Exec Dt:
02/11/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5944107
NONE
08798591
Correspondence name and address
PATENT COUNSEL, ANADRILL
WAYNE I. KANAK
200 GILLINGHAM LANE
SUGAR LAND, TX 77478
Assignment: 461
Reel/Frame:009921/0632   Pages: 4
Recorded: 04/20/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
OHMER, HERVE
Exec Dt:
02/11/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6170571
NONE
09259841
Correspondence name and address
CAMCOI INTERNATIONAL INC.
WAYNE KANAK
7030 ARDMORE
HOUSTON, TX 77054
Assignment: 462
Reel/Frame:010677/0449   Pages: 4
Recorded: 02/29/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
OHMER, HERVE
Exec Dt:
02/11/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6079495
NONE
09325301
Correspondence name and address
SCHLUMBERGER TECHNOLOGY TECHNOLOGY
WAYNE I. KANAK
7030 ARDMORE
HOUSTON, TX 77054
Assignment: 463
Reel/Frame:008433/0294   Pages: 6
Recorded: 03/06/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STOLLER, CHRISTIAN
Exec Dt:
02/13/1997
2
DASGUPTA, URMI
Exec Dt:
03/03/1997
3
PHILIP, OLIVIER G.
Exec Dt:
02/13/1997
4
WIJEYESEKERA, NIHAL I.
Exec Dt:
03/03/1997
5
WRAIGHT, PETER D.
Exec Dt:
02/27/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
P.O. BOX 2175
HOUSTON, TEXAS 77252
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5912460
NONE
08812801
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
DARCELL WALKER
P.O. BOX 2175
HOUSTON, TX 77252-2175
Assignment: 464
Reel/Frame:008400/0885   Pages: 4
Recorded: 03/06/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
EDWARDS, A. GLEN
Exec Dt:
02/14/1997
2
HUBER, KLAUS B.
Exec Dt:
02/14/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5887654
NONE
08752810
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
GORDON G. WAGGETT
ATTN: PATENT COUNSEL
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Assignment: 465
Reel/Frame:008419/0149   Pages: 3
Recorded: 02/27/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ASSA, STEVEN BRENT
Exec Dt:
02/20/1997
2
RAMSHORN, CHRISTOPH CLEMENS
Exec Dt:
02/20/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
8311 NORTH RR 620, P.O. BOX 200015
AUSTIN, TEXAS 78720
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6052650
NONE
08806381
Correspondence name and address
FISH & RICHARDSON, P.C.
HOWARD L. SPEIGHT
ONE RIVERWAY, SUITE 1200
HOUSTON, TX 77056
Assignment: 466
Reel/Frame:008433/0269   Pages: 3
Recorded: 03/05/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
PLASEK, RONALD E.
Exec Dt:
03/05/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5842158
NONE
08811992
Correspondence name and address
SCHLUMBERGER TECHNOLOG CORPORATION
DARCELL WALKER
ATTN: PATENT COUNSEL
P.O. BOX 2175
HOUSTON, TX 77252-2175
Assignment: 467
Reel/Frame:008483/0099   Pages: 4
Recorded: 03/14/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOOVER, MAT
Exec Dt:
03/06/1997
2
MCINTIRE, WILLIAM RAY
Exec Dt:
02/28/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5667012
NONE
08540997
Correspondence name and address
DOWELL, A DIVISION OF SCHLUMBERGER
TECHNOLOGY CORPORATION
JOHN E. VICK, JR.
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Assignment: 468
Reel/Frame:008415/0288   Pages: 4
Recorded: 03/20/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DAVIES, STEPHEN NIGEL
Exec Dt:
03/10/1997
2
MEETEN, GERALD HENRY
Exec Dt:
03/10/1997
3
WAY, PAUL WILLIAM
Exec Dt:
03/10/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
P.O. BOX 4610
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5652200
NONE
08518662
Correspondence name and address
DOWELL, A DIVISION OF SCHLUMBERGER
TECHNOLOGY CORPORATION/JOHN E. VICK, JR.
PATENT COUNSEL
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77474
Assignment: 469
Reel/Frame:008425/0599   Pages: 4
Recorded: 03/31/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SONG, HAOSHI
Exec Dt:
03/13/1997
2
LANDS, JACK F., JR.
Exec Dt:
03/12/1997
3
VORECK, WALLACE E.
Exec Dt:
03/13/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
ATTN: PATENT COUNSEL
P.O. BOX 2175
HOUSTON, TEXAS 77252
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5833001
NONE
08768027
Correspondence name and address
SCHLUMBERGER WELL SERVICES
GORDON G. WAGGETT
110 SCHLUMBERGER
HOUSTON, TX 77478
Assignment: 470
Reel/Frame:008446/0268   Pages: 4
Recorded: 04/09/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
EDWARDS, A. GLEN
Exec Dt:
04/02/1997
2
HUBER, KLAUS B.
Exec Dt:
04/02/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5964294
NONE
08760390
Correspondence name and address
FISH & RICHARDSON P.C.
ATTN: JOHN N. WILLIAMS
225 FRANKLIN STREET
BOSTON, MA 02110-2804
Assignment: 471
Reel/Frame:008446/0495   Pages: 4
Recorded: 04/14/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
EDWARDS, A. GLEN
Exec Dt:
04/02/1997
2
HUBER, KLAUS B.
Exec Dt:
04/02/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5979561
NONE
08760391
Correspondence name and address
FISH & RICHARDSON P.C.
JOHN N. WILLIAMS
225 FRANKLIN STREET
BOSTON, MA 02110-2804
Assignment: 472
Reel/Frame:008525/0450   Pages: 4
Recorded: 04/25/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MARKEL, DANIEL C.
Exec Dt:
04/03/1997
2
LOPEZ DE CARDENAS, JORGE E.
Exec Dt:
04/03/1997
3
VU, VICTOR M.
Exec Dt:
04/22/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
PATENT COUNSEL
P.O. BOX 2175
HOUSTON, TEXAS 77252
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5816343
NONE
08846079
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
GORDON G. WAGGETT
P. O. BOX 2175
HOUSTON, TX 77252-2175
Assignment: 473
Reel/Frame:008522/0843   Pages: 5
Recorded: 04/16/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HALFORD, FRANK F.
Exec Dt:
04/11/1997
2
BENSON, WALTER R.
Exec Dt:
04/11/1997
3
ECKERSLEY, CLIVE P.
Exec Dt:
04/11/1997
4
KURKJIAN, ANDREW L.
Exec Dt:
04/11/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
P.O. BOX 2175
HOUSTON, TEXAS 77252
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6092416
NONE
08834336
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
DARCELL WALKER
P.O. BOX 2175
HOUSTON, TEXAS 77252-2175
Assignment: 474
Reel/Frame:009907/0843   Pages: 4
Recorded: 04/16/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CIGLENEC, REINHART
Exec Dt:
04/16/1997
2
REID, LENNOX E., JR.
Exec Dt:
04/16/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6234257
NONE
09293859
Correspondence name and address
IP COUNSEL
STEVEN L. CHRISTIAN
200 GILLINGHAM LANE
SUGAR LAND PRODUCT CENTER
SUGAR LAND, TX 77478
Assignment: 475
Reel/Frame:008538/0402   Pages: 6
Recorded: 04/22/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MCKEE, L. MICHAEL
Exec Dt:
04/22/1997
2
SMITH, MICHAEL L.
Exec Dt:
04/22/1997
3
BIXENMAN, PATRICK W.
Exec Dt:
04/22/1997
4
BOYLE, BRUCE W.
Exec Dt:
04/22/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER
SUGAR LAND, TEXAS 77210
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5947198
NONE
08837806
Correspondence name and address
BUSH, RIDDLE & JACKSON, L.L.P.
EUGENE N. RIDDLE
950 ECHO LANE
SUITE 180
HOUSTON, TX 77024
Assignment: 476
Reel/Frame:008518/0498   Pages: 4
Recorded: 05/15/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BABOUR, KAMAL
Exec Dt:
04/24/1997
2
PITTMAN, DENNIS J.
Exec Dt:
04/24/1997
3
HUAU, CHRISTIAN B.
Exec Dt:
04/24/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5914911
NONE
08740942
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
CAROL O. MCCLENNY
110 SCHLUMBERGER DRIVE
HOUSTON, TX 77252-2175
Assignment: 477
Reel/Frame:008736/0414   Pages: 4
Recorded: 10/06/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BELANI, ASHOK
Exec Dt:
05/02/1997
2
RAMAKRISHNAN, TERIZHANDUR S.
Exec Dt:
05/05/1997
3
HABASHY, TAREK M.
Exec Dt:
05/06/1997
4
KUCHUK, FIKRI JOHN
Exec Dt:
05/11/1997
5
AYESTARAN, LUIS
Exec Dt:
04/22/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6061634
NONE
08843206
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
KEITH G.W. SMITH
INTELLECTUAL PROPERTY LAW DEPARTMENT
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877-4108
Assignment: 478
Reel/Frame:008552/0873   Pages: 3
Recorded: 05/09/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HEMINGWAY, JAMES L.
Exec Dt:
05/05/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5777323
NONE
08853816
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ATTN: PATENT COUNSEL
110 SCHLUMBERGER DRIVE
SUGAR LAND, TX 77478
Assignment: 479
Reel/Frame:008622/0279   Pages: 3
Recorded: 05/23/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MULLINS, OLIVER C.
Exec Dt:
05/12/1997
2
WU, XU
Exec Dt:
05/12/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5859430
NONE
08827647
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
KEITH G.W. SMITH
OLD QUARRY ROAD
RIDGEFIELD, CT 96877-4108
Assignment: 480
Reel/Frame:008562/0898   Pages: 3
Recorded: 05/15/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
HEDBERG, HAROLD
Exec Dt:
05/14/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5894104
NONE
08856767
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
BRIGITTE L. JEFFERY
P.O. BOX 2175
HOUSTON, TX 77252-2175
Assignment: 481
Reel/Frame:008797/0208   Pages: 4
Recorded: 11/17/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DARLLING, BRIAN W.E.
Exec Dt:
05/22/1997
2
DARLLING, BRIAN W.E.
Exec Dt:
05/26/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
P.O. BOX 4610
HOUSTON, TEXAS 77210
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6085838
NONE
08863652
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JOHN E. VICK, JR.
DOWELL DIVISION
P.O. BOX 4610
HOUSTON, TX 77210-4610
Assignment: 482
Reel/Frame:008603/0537   Pages: 3
Recorded: 07/18/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, SHU-KONG (STEVE)
Exec Dt:
05/23/1997
2
GANESAN, KRISHNAMURTHY
Exec Dt:
05/23/1997
3
POITZSCH, MARTIN
Exec Dt:
05/23/1997
4
KLEINBERG, ROBERT
Exec Dt:
06/03/1997
5
SEZGINER, ABDURRAHMAN
Exec Dt:
05/23/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARRY ROAD
RIDGEFIELDQ, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5923167
NONE
08819463
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
DAVID GARROD, ESQ.
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 483
Reel/Frame:034161/0359   Pages: 6
Recorded: 11/05/2014
Attorney Dkt #:56.0428-US-NP
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNOR NAME PREVIOUSLY RECORDED AT REEL: 008797 FRAME: 0208. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Assignors
1
VERCAEMER, CLAUDE J.
Exec Dt:
05/26/1997
2
DARLING, BRIAN W. E.
Exec Dt:
05/22/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6085838
NONE
08863652
Correspondence name and address
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042
Assignment: 484
Reel/Frame:008601/0860   Pages: 4
Recorded: 06/05/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SAMPA, AUGDON J.
Exec Dt:
06/04/1997
2
BENSON, WALTER R.
Exec Dt:
06/04/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
P.O. BOX 2175
HOUSTON, TEXAS 77252
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5967816
NONE
08869447
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
BRIGITTE L. JEFFERY
ATTN: PATENT COUNSEL
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Assignment: 485
Reel/Frame:008602/0160   Pages: 4
Recorded: 06/05/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SAMPA, AUGDON J.
Exec Dt:
06/04/1997
2
BICKFORD, GARY P.
Exec Dt:
06/04/1997
3
BENSON, WALTER R.
Exec Dt:
06/04/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
P.O. BOX 2175
HOUSTON, TEXAS 77252
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6062905
NONE
08869450
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
BRIGITTE L. JEFFERY
P.O. BOX 2175
HOUSTON, TX 77252-2175
Assignment: 486
Reel/Frame:008666/0875   Pages: 4
Recorded: 06/05/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BENSON, WALTER R.
Exec Dt:
06/04/1997
2
SAMPA, AUGDON J.
Exec Dt:
06/04/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGARLAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5871052
NONE
08870079
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
BRIGITTE L. JEFFREY
110 SCHLUMBERGER DRIVE
SUGARLAND, TEXAS 77478
Assignment: 487
Reel/Frame:008668/0717   Pages: 4
Recorded: 06/05/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BENSON, WALTER R.
Exec Dt:
06/04/1997
2
SAMPA, AUGDON J.
Exec Dt:
06/04/1997
3
HLAVINKA, DANNY A.
Exec Dt:
06/04/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5927402
NONE
08870077
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
PATENT COUNSEL
P.O. BOX 2175
HOUSTON, TEXAS 77252-2175
Assignment: 488
Reel/Frame:008918/0192   Pages: 3
Recorded: 01/20/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
JEFFRYES, BENJAMIN P.
Exec Dt:
06/06/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6023658
NONE
08831548
Correspondence name and address
WAYNE I. KANAK
INTELLECTUAL PROPERTY LAW AND CONTRACTS
SUGAR LAND PRODUCT CENTER
200 GILLINGHAM LANE
SUGAR LAND, TX 77478
Assignment: 489
Reel/Frame:008918/0202   Pages: 3
Recorded: 01/20/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JEFFRYES, BENJAMIN P.
Exec Dt:
06/06/1997
2
JERVIS, TIMOTHY T.
Exec Dt:
07/02/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5955966
NONE
08838557
Correspondence name and address
SUGAR LAND PRODUCT CENTER
WAYNE I. KANAK
INTELLECTUAL PROPERTY LAW AND CONTRACTS
200 GILLINGHAM LANE
SUGAR LAND, TEXAS 77478
Assignment: 490
Reel/Frame:008570/0477   Pages: 4
Recorded: 06/23/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GLOTIN, BERNARD
Exec Dt:
06/10/1997
2
FLAMENT, PATRICK
Exec Dt:
06/09/1997
3
MARTIN, GERARD
Exec Dt:
06/09/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6027332
NONE
08748868
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
CARL O. MCCLENNY
ATTN: PATENT COUNSEL
P.O. BOX 2175
HOUSTON, TEXAS 77252-2175
Assignment: 491
Reel/Frame:008586/0080   Pages: 6
Recorded: 07/02/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUBER, KLAUS B.
Exec Dt:
06/16/1997
2
EDWARDS, A. GLEN
Exec Dt:
06/16/1997
3
HROMAS, JOE C.
Exec Dt:
06/16/1997
4
MULLER, LAURENT E.
Exec Dt:
06/16/1997
5
ADDICKS, NATHAN E.
Exec Dt:
06/16/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5890539
NONE
08795609
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
GORDON G. WAGGETT
110 SCHLUMBERGER DRIVE
SUGAR LAND, TX 77478
Assignment: 492
Reel/Frame:008636/0093   Pages: 3
Recorded: 06/27/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MULLER, LAURENT E.
Exec Dt:
06/16/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6168213
NONE
08884056
Correspondence name and address
FISH & RICHARDSON P.C.
JON R. TREMBATH
ONE RIVERWAY, SUITE 1200
HOUSTON, TX 77056
Assignment: 493
Reel/Frame:008624/0835   Pages: 3
Recorded: 06/24/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
WIGNALL, AL H.
Exec Dt:
06/24/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
P.O. BOX 2175
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6026560
NONE
08881583
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
CARL O. MCCLENNY
P.O. BOX 2175
HOUSTON, TEXAS 77252-2175
Assignment: 494
Reel/Frame:008878/0137   Pages: 5
Recorded: 11/28/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FREEDMAN, ROBERT
Exec Dt:
06/27/1997
2
MORRISS, CHRISTOPHER
Exec Dt:
06/27/1997
3
BOYD, AUSTIN
Exec Dt:
08/05/1997
4
FLAUM, CHARLES
Exec Dt:
07/03/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6147489
NONE
08873981
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
BRIGITTE L. JEFFERY
110 SCHLUMBERGER DRIVE
SUGAR LAND, TX 77478
Assignment: 495
Reel/Frame:008710/0347   Pages: 5
Recorded: 07/09/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
QIU, XIAOPING
Exec Dt:
07/02/1997
2
NELSON, ERIK B.
Exec Dt:
07/02/1997
3
SULLIVAN, PHILIP F.
Exec Dt:
07/02/1997
4
CONSTIEN, VERNON
Exec Dt:
07/03/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
P.O. BOX 4610
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5981446
NONE
08891320
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JOHN E. VICK, JR.
PATENT COUNSEL - DOWELL DIVISION
110 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Assignment: 496
Reel/Frame:008765/0583   Pages: 2
Recorded: 10/24/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DONZIER, ERIC PAUL
Exec Dt:
07/06/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5956132
NONE
08861667
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
KEITH G. W. SMITH
INTELLECTUAL PROPERTY LAW DEPARTMENT
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 497
Reel/Frame:008676/0363   Pages: 3
Recorded: 08/25/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SCHROEDER, ROBERT J.
Exec Dt:
07/07/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5841131
NONE
08888566
Correspondence name and address
DAVID P. GORDON
65 WOODS END ROAD
STAMFORD, CT 06905
Assignment: 498
Reel/Frame:008716/0269   Pages: 4
Recorded: 09/23/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
JEFFRYES, BENJAMIN PETER
Exec Dt:
07/10/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5924722
NONE
08880888
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
KEITH SMITH
PATENT DEPARTMENT
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877-4108
Assignment: 499
Reel/Frame:008655/0549   Pages: 3
Recorded: 08/11/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
IKELLE, LUC THOMAS
Exec Dt:
07/11/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6094400
NONE
08821249
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
KEITH G. W. SMITH
INTELLECTUAL PROPERTY LAW DEPARTMENT
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 500
Reel/Frame:008703/0452   Pages: 3
Recorded: 09/12/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
IKELLE, LUC THOMAS
Exec Dt:
07/11/1997
2
ROBERTS, GRAHAM
Exec Dt:
07/11/1997
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
OLD QUARRY ROAD
RIDGEFIELD, CONNECTICUT 06877
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5995905
NONE
08875019
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
INTELLECTUAL PROPERTY LAW DEPARTMENT
KEITH G.W. SMITH
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Page 5 of 106

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