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Patent Assignment Assignee Details
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Assignee Name : DOWELL SCHLUMBERGER INCORPORATED
Total Assignments: 98
Assignment: 1
Reel/Frame:004462/0734   Pages: 2
Recorded: 10/07/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
CAMERON, DONALD C.
Exec Dt:
06/04/1984
2
COBB, HOMER V.
Exec Dt:
06/04/1984
3
WINN, FRED M.
Exec Dt:
06/04/1984
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA 74101
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4572519
NONE
06620668
Correspondence name and address
DOWELL SCHLUMBERGER INCORPORATED
P. O. BOX 2710
TULSA, OK 74101
Assignment: 2
Reel/Frame:004597/0194   Pages: 2
Recorded: 08/28/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
CROWE, CURTIS W.
Exec Dt:
02/12/1985
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA 74101
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4633949
NONE
06700832
Correspondence name and address
DOWELL SCHLUMBERGER INCORPORATED
P. O. BOX 2710
TULSA, OK 74101
Assignment: 3
Reel/Frame:004626/0966   Pages: 2
Recorded: 11/07/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
CAMERON, DONALD C.
Exec Dt:
04/26/1985
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA 74101
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4659116
NONE
06728077
Correspondence name and address
L.WAYNE WHITE
DOWELL SCHLUMBERGER, INC.
P. O. BOX 2710
TULSA, OK 74101
Assignment: 4
Reel/Frame:004704/0998   Pages: 2
Recorded: 05/08/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BARANET, SANDRA E.
Exec Dt:
07/03/1985
2
HODGE, RICHARD M.
Exec Dt:
07/03/1985
3
KUCERA, CLARE H.
Exec Dt:
07/08/1985
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA 74101
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4686052
NONE
06753214
Correspondence name and address
DOWELL SCHLUMBERGER INC.
P. O. BOX 2710
TULSA, OK 74101
Assignment: 5
Reel/Frame:004774/0995   Pages: 1
Recorded: 10/26/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
PARCEVAUX, PHILIPPE
Exec Dt:
07/19/1985
2
SAULT, PATRICK
Exec Dt:
07/19/1985
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA 74101
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4721160
NONE
06767002
Correspondence name and address
DOWELL SCHLUMBERGER INC.
P. O. BOX 2710
TULSA, OK 74101
Assignment: 6
Reel/Frame:004742/0624   Pages: 1
Recorded: 08/10/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BUISINE, PAUL H.
Exec Dt:
07/22/1985
2
DANCER, PAUL
Exec Dt:
07/22/1985
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
5051 SOUTH 129TH EAST AVE.
TULSA, OKLAHOMA 74134
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4705459
NONE
06767001
Correspondence name and address
PATENT DEPARTMENT
P. O. BOX 2710
TULSA, OK 74101
Assignment: 7
Reel/Frame:004597/0147   Pages: 3
Recorded: 08/27/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BRUCKDORFER, RODERICK A.
Exec Dt:
07/26/1985
2
COLEMAN, SAMUEL E.
Exec Dt:
07/26/1985
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA 74101
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4635724
NONE
06759632
Correspondence name and address
DOWELL SCHLUMBERGER INC.
P. O. BOX 2710
TULSA, OK 74101
Assignment: 8
Reel/Frame:004672/0954   Pages: 2
Recorded: 02/24/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
BISSONNETTE, HAROLD S.
Exec Dt:
10/03/1985
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
4283014
NONE
06028243
 
4669541
NONE
06784401
Correspondence name and address
DOWELL SCHLUMBERGER INCORPORATED
P. O. BOX 2710
TULSA, OK 74101
Assignment: 9
Reel/Frame:004616/0602   Pages: 2
Recorded: 09/25/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
SCRANTON, JOSEPH D.
Exec Dt:
11/11/1985
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4660637
NONE
06774979
Correspondence name and address
L. WAYNE WHITE
DOWELL SCHLUMBERGER INC.,
P. O. BOX 2710
TULSA, OK 74101
Assignment: 10
Reel/Frame:004723/0520   Pages: 2
Recorded: 06/11/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
NELSON, ERIK B.
Exec Dt:
11/15/1985
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA 74101
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4691774
NONE
06798527
Correspondence name and address
SPENCER & FRANK
1111 19TH ST., N.W.
WASHINGTON, DC 20036
Assignment: 11
Reel/Frame:004815/0961   Pages: 2
Recorded: 12/28/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
FRENIER, WAYNE W.
Exec Dt:
11/21/1985
2
GROWCOCK, FREDERICK B.
Exec Dt:
11/21/1985
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA 74101
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4734259
NONE
06801123
Correspondence name and address
PATENT DEPARTMENT
P. O. BOX 2710
TULSA, OK 74101
Assignment: 12
Reel/Frame:004809/0577   Pages: 1
Recorded: 12/21/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
OBERSTE PADTBERG, RUDIGER
Exec Dt:
01/27/1986
2
GARNIER, ALFRED
Exec Dt:
01/27/1986
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA 74101
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4734134
NONE
06870599
Correspondence name and address
L. WAYNE WHITE
DOWELL SCHLUMBERGER INC.
P. O. BOX 2710
TULSA, OK 74101
Assignment: 13
Reel/Frame:004611/0436   Pages: 2
Recorded: 10/03/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BASINSKY, MICHAEL J.
Exec Dt:
02/04/1986
2
SMITH, DANIEL W.
Exec Dt:
02/04/1986
3
BIRD, DALE T.
Exec Dt:
02/04/1986
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA 74101
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4638971
NONE
06825824
Correspondence name and address
L. WAYNE WHITE
DOWELL SCHLUMBERGER INC.
P. O. BOX 2710
TULSA, OK 74101
Assignment: 14
Reel/Frame:004646/0777   Pages: 2
Recorded: 12/15/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
HODGE, RICHARD M.
Exec Dt:
02/19/1986
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA 74101
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4657080
NONE
06831230
Correspondence name and address
L. WAYNE WHITE
DOWELL SCHLUMBERGER INC.
P. O. BOX 2710
TULSA, OK 74101
Assignment: 15
Reel/Frame:004646/0798   Pages: 2
Recorded: 12/15/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
HODGE, RICHARD M.
Exec Dt:
02/19/1986
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4657081
NONE
06831229
Correspondence name and address
L. WAYNE WHITE
PATENT DEPARTMENT
P. O. BOX 2710
TULSA, OK 74101
Assignment: 16
Reel/Frame:004775/0002   Pages: 2
Recorded: 10/26/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SETTINERI, WILLIAM J.
Exec Dt:
03/04/1986
2
BOHLEN, DAVID S.
Exec Dt:
03/04/1986
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
5051 SOUTH 129TH EAST AVENUE
A CORP. OF DE
TULSA, OKLAHOMA 74145
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4722398
NONE
06837436
Correspondence name and address
PATENT DEPARTMENT
P.O. BOX 2710
TULSA, OK 74010
Assignment: 17
Reel/Frame:004555/0634   Pages: 2
Recorded: 05/13/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MC INTIRE, WILLIAM R.
Exec Dt:
03/21/1986
2
STELTENKAMP, ROBERT J.
Exec Dt:
05/13/1986
Assignees
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
2
COLGATE-PALMOLIVE COMPANY
300 PARK AVENUE
NEW YORK, NEW YORK 10022
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4614435
NONE
06714586
Correspondence name and address
L. WAYNE WHITE
DOWELL SCHLUMBERGER INC.
P. O. BOX 2710
TULSA, OK 74101
Assignment: 18
Reel/Frame:004603/0639   Pages: 2
Recorded: 08/27/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
REEVES, HENRY C. III
Exec Dt:
03/22/1986
2
POTTER, GARY F.
Exec Dt:
03/27/1986
3
RILEY, SUZANNE M.
Exec Dt:
03/25/1986
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
P. O. BOX 2710
TULSA, OKLAHOMA 74101
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4630679
NONE
06716783
Correspondence name and address
L. WAYNE WHITE
P. O. BOX 2710
TULSA, OK 74101
Assignment: 19
Reel/Frame:004626/0431   Pages: 2
Recorded: 11/04/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
MC INTIRE, WILLIAM R.
Exec Dt:
05/12/1986
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4671665
NONE
06861969
Correspondence name and address
L. WAYNE WHITE
P.O. BOX 2710
TULSA, OK 74101
Assignment: 20
Reel/Frame:004948/0070   Pages: 2
Recorded: 09/23/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
SPANGLE, LLOYD B.
Exec Dt:
07/25/1986
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4797159
NONE
06890672
Correspondence name and address
STEPHEN A LITTLEFIELD
P.O. BOX 2710
TULSA, OK 74101
Assignment: 21
Reel/Frame:004595/0918   Pages: 2
Recorded: 08/27/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
FRENIER, WANE W.
Exec Dt:
08/25/1986
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4623399
NONE
06697615
Correspondence name and address
L. WAYNE WHITE
DOWELL SCHLUMBERGER INCORPORATED
P. O. BOX 2710
TULSA, OK 74101
Assignment: 22
Reel/Frame:004841/0604   Pages: 2
Recorded: 12/28/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
COPELAND, CLAUDE T.
Exec Dt:
09/08/1986
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4733729
NONE
07011392
Correspondence name and address
L. WAYNE WHITE
DOWELL SCHLUMBERGER INCORPORATED
P.O. BOX 2710
TULSA, OK 74101
Assignment: 23
Reel/Frame:004611/0438   Pages: 2
Recorded: 10/03/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
CAMERON, DONALD C.
Exec Dt:
09/25/1986
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4659115
NONE
06776293
Correspondence name and address
L. WAYNE WHITE
P. O. BOX 2710
TULSA, OK 74101
Assignment: 24
Reel/Frame:005152/0706   Pages: 2
Recorded: 10/02/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
PARKER, ALAN
Exec Dt:
10/13/1986
2
DAVIDSON, COLIN
Exec Dt:
11/07/1986
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4889563
NONE
06881147
Correspondence name and address
L. WAYNE WHITE
DOWELL SCHLUMBERGER INC.
P. O. BOX 2710
TULSA, OK 74101
Assignment: 25
Reel/Frame:005031/0264   Pages: 2
Recorded: 03/17/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
HOY, EDGAR F.
Exec Dt:
12/05/1986
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4861386
NONE
07269110
Correspondence name and address
STEPHEN A. LITTLEFIELD
DOWELL SCHLUMBERGER INCORPORATED
PATENT DEPARTMENT
P.O. BOX 2710
TULSA, OK 74101
Assignment: 26
Reel/Frame:004663/0770   Pages: 3
Recorded: 02/13/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
AND SCHLUMBERGER TECHNOLOGY CORPORATION
Exec Dt:
01/05/1987
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
400 WEST BELT SOUTH
HOUSTON, TEXAS 77210
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4466836
NONE
06489441
Correspondence name and address
RICHARD G. WATERMAN
P. O. BOX 1967
MIDLAND, MI 48640
Assignment: 27
Reel/Frame:004890/0189   Pages: 2
Recorded: 06/06/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
CAMERON, DONALD C.
Exec Dt:
01/05/1987
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4775008
NONE
07159452
Correspondence name and address
PATENT DEPARTMENT
DOWELL SCHLUMBERGER INC.
P.O. BOX 2710
TULSA, OK 74101
Assignment: 28
Reel/Frame:004663/0757   Pages: 2
Recorded: 02/13/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
NIMERICK, KENNETH H.
Exec Dt:
02/13/1987
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4669544
NONE
06853298
Correspondence name and address
DOWELL SCHLUMBERGER INC.
P.O. BOX 2710
TULSA, OK 74101
Assignment: 29
Reel/Frame:004685/0005   Pages: 2
Recorded: 03/23/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
BIG THREE INDUSTRIES, INC.,
Exec Dt:
03/18/1987
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
1155 NORTH DAIRY ASHFORD
HOUSTON, TEXAS 77079
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4702848
NONE
06794375
Correspondence name and address
PRAVEL, GAMBRELL, HEWITT & KIMBALL
ATTN: B. R. PRAVEL
1177 WEST LOOP SO., STE. 1010
HOUSTON, TX 77027
Assignment: 30
Reel/Frame:004704/0995   Pages: 2
Recorded: 05/08/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
KUBALA, GREGORY
Exec Dt:
03/18/1987
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4695389
NONE
06837488
Correspondence name and address
DOWELL SCHLUMBERGER INCORPORATED
P. O. BOX 2710
TULSA, OK 74101
Assignment: 31
Reel/Frame:005007/0444   Pages: 2
Recorded: 01/06/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
THIERCELIN, MARC
Exec Dt:
07/28/1987
2
ROEGIERS, JEAN C.
Exec Dt:
07/28/1987
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4821577
NONE
07065317
Correspondence name and address
PATENT DEPARTMENTT
DOWELL SCHLUMBERGER INC.
P. O. BOX 2710
TULSA, OK 74101
Assignment: 32
Reel/Frame:004991/0776   Pages: 2
Recorded: 01/03/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
MC CONNELL, STANLEY B.
Exec Dt:
07/29/1987
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4822494
NONE
07069375
Correspondence name and address
DOWELL SCHLUMBERGER INC.
P. O. BOX 2710
TULSA, OK 74101
Assignment: 33
Reel/Frame:005009/0018   Pages: 2
Recorded: 01/17/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
OBERSTE-PADTBERG, RUDIGER
Exec Dt:
07/29/1987
2
PARCEVAUX, PHILIPPE
Exec Dt:
08/06/1987
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4838352
NONE
07122958
Correspondence name and address
DOWELL SCHLUMBERGER INCORPORATED
P. O. BOX 2710
TULSA, OK 74101
Assignment: 34
Reel/Frame:004966/0310   Pages: 2
Recorded: 10/27/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HUDSON, TOMMY E.
Exec Dt:
07/30/1987
2
MARTIN, JAMES W.
Exec Dt:
07/30/1987
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4796701
NONE
07079728
Correspondence name and address
DOWELL SCHLUMBERGER INCORPORATED
P.O. BOX 2710
TULSA, OK 74101
Assignment: 35
Reel/Frame:004805/0864   Pages: 2
Recorded: 12/21/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
VERCAEMER, CLAUDE
Exec Dt:
08/06/1987
2
LEMANCZYK, R.
Exec Dt:
09/03/1987
3
PIOT, BERNARD
Exec Dt:
08/06/1987
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4842068
NONE
07135215
Correspondence name and address
STEPHEN A. LITTLEFIELD
DOWELL SCHLUMBERGER INC.
P. O. BOX 2710
TULSA, OK 74101
Assignment: 36
Reel/Frame:004990/0370   Pages: 2
Recorded: 12/27/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
CONSTIEN, VERNON G.
Exec Dt:
08/14/1987
2
BRANNON, HAROLD D.
Exec Dt:
08/14/1987
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4828034
NONE
07085999
Correspondence name and address
DOWELL SCHLUMBERGER INCORPORATED
P.O. BOX 2710
TULSA, OK 74101
Assignment: 37
Reel/Frame:005009/0016   Pages: 2
Recorded: 01/17/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
PARCEVAUX, PHILIPPE
Exec Dt:
09/10/1987
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4838352
NONE
07122958
Correspondence name and address
DOWELL SCHLUMBERGER INCORPORATED
P. O. BOX 2710
TULSA, OK 74101
Assignment: 38
Reel/Frame:004966/0307   Pages: 2
Recorded: 10/27/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BRANNON, HAROLD D.
Exec Dt:
10/01/1987
2
HODGE, RICHARD M.
Exec Dt:
09/30/1987
3
ENGLAND, KEVIN W.
Exec Dt:
09/30/1987
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4801389
NONE
07080738
Correspondence name and address
DOWELL SCHLUMBERGER INC.
POST OFFICE BOX 2710
TULSA, OK 74101
ATTN: PATENT DEPT.
Assignment: 39
Reel/Frame:004770/0060   Pages: 2
Recorded: 10/23/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
HODGE, RICHARD M.
Exec Dt:
10/20/1987
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4749040
NONE
07017134
Correspondence name and address
DOWELL SCHLUMBERGER, INC.
P.O. BOX 2710
TULSA, OK 74101
Assignment: 40
Reel/Frame:004770/0744   Pages: 2
Recorded: 10/23/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
HODGE, RICHARD M.
Exec Dt:
10/20/1987
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4749041
NONE
07016921
Correspondence name and address
DOWELL SCHLUMBERGER, INCORPORATED
P.O. BOX 2710
TULSA, OK 74101
Assignment: 41
Reel/Frame:004855/0457   Pages: 1
Recorded: 03/25/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
PROUVOST, LAURENT
Exec Dt:
01/14/1988
2
ECONOMIDES, MICHAEL I.
Exec Dt:
01/25/1988
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4862962
NONE
07173512
Correspondence name and address
STEPHEN A. LITTLEFIELD
P.O. BOX 2710
TULSA, OK 74101
Assignment: 42
Reel/Frame:004869/0617   Pages: 2
Recorded: 05/10/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
CAMERON, DONALD C.
Exec Dt:
04/14/1988
2
HOOVER, MAT M.
Exec Dt:
04/15/1988
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4797003
NONE
07041553
Correspondence name and address
PATENT DEPARTMENT
DOWELL SCHLUMBERGER INCORPORATED
P.O. BOX 2710
TULSA, OK 74101
Assignment: 43
Reel/Frame:004881/0967   Pages: 2
Recorded: 05/05/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MC INTIRE, WILLIAM R.
Exec Dt:
05/04/1988
2
RITTER, JAMES C.
Exec Dt:
04/25/1988
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4808004
NONE
07190701
Correspondence name and address
DOWELL SCHLUMBERGER INCORPORATED
P.O. BOX 2710
TULSA, OK 74101
Assignment: 44
Reel/Frame:004903/0208   Pages: 2
Recorded: 06/27/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BARANET, SANDRA E.
Exec Dt:
06/24/1988
2
HODGE, RICHARD M.
Exec Dt:
06/24/1988
3
KUCERA, CLARE H.
Exec Dt:
06/21/1988
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4780223
NONE
06929567
Correspondence name and address
PATENT DEPARTMENT
DOWELL SCHLUMBERGER INC.
P.O. BOX 2710
TULSA, OK 74101
Assignment: 45
Reel/Frame:004956/0058   Pages: 2
Recorded: 09/06/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
HILSMAN, Y. GILBERT III
Exec Dt:
09/02/1988
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4940093
NONE
07241170
Correspondence name and address
STEPHEN A. LITTLEFIELD
DOWELL SCHLUMBERGER INC.,
P. O. BOX 2710
TULSA, OK 74101
Assignment: 46
Reel/Frame:004995/0817   Pages: 2
Recorded: 12/07/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DAVIS, BRUCE E.
Exec Dt:
12/06/1988
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4915173
NONE
07281151
Correspondence name and address
STEPHEN A. LITTLEFIELD
DOWELL SCHLUMBERGER INCORPORATED
P. O. BOX 2710
TULSA, OK 74101
Assignment: 47
Reel/Frame:005041/0126   Pages: 2
Recorded: 01/23/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MULLER, LAURENT
Exec Dt:
01/03/1989
2
RANDERMANN, ERVIN
Exec Dt:
01/03/1989
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4913231
NONE
07282437
Correspondence name and address
STEPHEN A. LITTLEFIELD
DOWELL SCHLUMBERGER INCORPORATED
P.O. BOX 2710
TULSA, OK 74101
Assignment: 48
Reel/Frame:005084/0016   Pages: 2
Recorded: 01/17/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
KING, MILTON T.
Exec Dt:
01/16/1989
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4919209
NONE
07297812
Correspondence name and address
JOHN W. SCHNELLER
DOWELL SCHLUMBERGER INC.
POST OFFICE BOX 2710
TULSA, OK 74101
Assignment: 49
Reel/Frame:005035/0099   Pages: 2
Recorded: 01/27/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WILLIAMSON, TREVOR D.
Exec Dt:
01/27/1989
2
STRUMOLO, GARY S.
Exec Dt:
01/27/1989
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4911241
NONE
07303600
Correspondence name and address
DOWELL SCHLUMBERGER INCORPORATED
P.O. BOX 2710
TULSA, OK 74101
Assignment: 50
Reel/Frame:005024/0302   Pages: 2
Recorded: 02/27/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
NEWMAN, KENNETH R.
Exec Dt:
02/24/1989
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4940095
NONE
07303592
Correspondence name and address
DOWELL SCHLUMBERGER INC.
PATENT DEPT.
P. O. BOX 2710
TULSA, OK 74101
Assignment: 51
Reel/Frame:005074/0415   Pages: 2
Recorded: 04/28/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
THOMEER, BART
Exec Dt:
04/20/1989
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4971147
NONE
07329150
Correspondence name and address
DOWELL SCHLUMBERGER INC.
PATENT DEPT.
P. O. BOX 2710
TULSA, OK 74101
Assignment: 52
Reel/Frame:005076/0808   Pages: 2
Recorded: 04/28/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SAMPA, AUGDON
Exec Dt:
04/20/1989
2
THOMEER, BART
Exec Dt:
04/20/1989
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4936618
NONE
07328668
Correspondence name and address
DOWELL SCHLUMBERGER INCORPORATED
PATENT DEPARTMENT
P.O. BOX 2710
TULSA, OK 74101
Assignment: 53
Reel/Frame:005091/0860   Pages: 2
Recorded: 04/28/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SAMPA, AUGDON
Exec Dt:
04/20/1989
2
THOMEER, BART
Exec Dt:
04/20/1989
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4984632
NONE
07328667
Correspondence name and address
DOWELL SCHLUMBERGER INCORPORATED
PATENT DEPARTMENT
P.O. BOX 2710
TULSA, OK 74101
Assignment: 54
Reel/Frame:005109/0814   Pages: 2
Recorded: 08/10/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MARTIN, JAMES W.
Exec Dt:
07/31/1989
2
HUDSON, TOMMY E.
Exec Dt:
08/03/1989
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4969523
NONE
07365286
Correspondence name and address
STEPHEN A. LITTLEFIELD
DOWELL SCHLUMBERGER INC.
PATENT DEPARTMENT
P. O. BOX 2710
TULSA, OK 74101
Assignment: 55
Reel/Frame:005226/0802   Pages: 2
Recorded: 01/26/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
CHAN, KENG S.
Exec Dt:
12/28/1989
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5103910
NONE
07471200
Correspondence name and address
DOWELL SCHLUMBERGER INCORPORATED
P. O. BOX 2710
TULSA, OK 74101
Assignment: 56
Reel/Frame:005227/0887   Pages: 2
Recorded: 02/05/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
CAWIEZEL, KAY E.
Exec Dt:
02/05/1990
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4969526
NONE
07475053
Correspondence name and address
DOWELL SCHLUMBERGER INCORPORATED
P.O. BOX 2710
TULSA, OK 74101
Assignment: 57
Reel/Frame:005239/0859   Pages: 1
Recorded: 02/26/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
PILLA, JACQUES
Exec Dt:
02/06/1990
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4984634
NONE
07485187
Correspondence name and address
STEPHEN A. LITTLEFIELD
P. O. BOX 2710
TULSA, OK 74101
Assignment: 58
Reel/Frame:005709/0864   Pages: 3
Recorded: 05/20/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
THOMAS, RONNIE L.
Exec Dt:
03/02/1990
2
BONEY, CURTIS L.
Exec Dt:
03/02/1990
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5036919
NONE
07474913
Correspondence name and address
STEPHEN A. LITTLEFIELD
PATENT DEPARTMENT
P.O. BOX 2710
TULSA, OK 74101
Assignment: 59
Reel/Frame:005408/0193   Pages: 2
Recorded: 07/13/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
ALLISON, ARLIE
Exec Dt:
07/10/1990
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
P.O. BOX 2710
A DE CORP.
TULSA, OKLAHOMA 74101
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5090079
NONE
07553732
Correspondence name and address
CHARLES D. GUNTER, JR.
FELSMAN, BRADLEY, GUNTER & DILLON
777 MAIN STREET
2600 CONTINENTAL PLAZA
FORT WORTH, TX 76102
Assignment: 60
Reel/Frame:005408/0189   Pages: 2
Recorded: 07/13/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
TARSHA, SIMON
Exec Dt:
07/12/1990
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
P.O. BOX 2710
A DE CORP.
TULSA, OKLAHOMA 74101
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5090079
NONE
07553732
Correspondence name and address
CHARLES D. GUNTER, JR.
FELSMAN, BRADLEY, GUNTER & DILLON
777 MAIN STREET
2600 CONTINENTAL PLAZA
FORT WORTH, TX 76102
Assignment: 61
Reel/Frame:005408/0191   Pages: 2
Recorded: 07/13/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
MCMILLAN, JAMES S.
Exec Dt:
07/12/1990
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
P.O. BOX 2710
A DE CORP.
TULSA, OKLAHOMA 74101
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5090079
NONE
07553732
Correspondence name and address
CHARLES D. GUNTER, JR.
FELSMAN, BRADLEY, GUNTER & DILLON
777 MAIN STREET
2600 CONTINENTAL PLAZA
FORT WORTH, TX 76102
Assignment: 62
Reel/Frame:005448/0493   Pages: 4
Recorded: 08/30/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BRANNON, HAROLD D.
Exec Dt:
08/20/1990
2
GULBIS, JANET
Exec Dt:
08/20/1990
3
KING, MILTON T.
Exec Dt:
08/20/1990
4
HAWKINS, GEORGE W.
Exec Dt:
08/22/1990
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5103905
NONE
07518771
Correspondence name and address
STEPHEN A. LITTLEFIELD
P.O. BOX 2710
TULSA, OK 74101
Assignment: 63
Reel/Frame:006109/0106   Pages: 3
Recorded: 05/11/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
ALLARD, PIERRE-YVES
Exec Dt:
03/02/1991
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5145340
NONE
07718486
Correspondence name and address
STEPHEN A. LITTLEFIELD
PATENT COUNSEL
P.O. BOX 2710
TULSA, OK 74101
Assignment: 64
Reel/Frame:006223/0012   Pages: 3
Recorded: 08/14/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BUISINE, PAUL
Exec Dt:
06/03/1991
2
LAVAURE, GILBERT
Exec Dt:
06/03/1991
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5165474
NONE
07718068
Correspondence name and address
STEPHEN A. LITTLEFIELD
POST OFFICE BOX 2710
TULSA, OK 74101
Assignment: 65
Reel/Frame:006318/0348   Pages: 3
Recorded: 11/09/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
ZERHBOUB, MOHAMED
Exec Dt:
06/07/1991
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
5051 S. 129 E. AVENUE
TULSA, OKLAHOMA 74134
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5203413
NONE
07757363
Correspondence name and address
STEPHEN A. LITTLEFIELD
DOWELL SCHLUMBERGER INCORPORATED
5051 S. 129 E. AVE.
TULSA, OK 74134
Assignment: 66
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: 67
Reel/Frame:006138/0377   Pages: 3
Recorded: 05/27/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
FERAUD, JEAN PIERRE
Exec Dt:
05/06/1992
2
PERTHUIS, HERVE
Exec Dt:
05/04/1992
3
DEJEUX, PHILIPPE
Exec Dt:
05/04/1992
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6306799
NONE
07889543
Correspondence name and address
STEPHEN A. LITTLEFIELD
DOWELL SCHLUMBERGER INCORPORATED
P.O. BOX 2710
TULSA, OK 74101
Assignment: 68
Reel/Frame:006158/0243   Pages: 3
Recorded: 06/05/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
TUCKER, ANDREW J.
Exec Dt:
05/08/1992
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5314014
NONE
07883632
Correspondence name and address
STEPHEN A. LITTLEFIELD
DOWELL SCHLUMBERGER INC.
P.O. BOX 2710
TULSA, OK 74101
Assignment: 69
Reel/Frame:006166/0711   Pages: 4
Recorded: 06/19/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
NIMERICK, KENNETH H.
Exec Dt:
05/20/1992
2
CROWE, CURTIS W.
Exec Dt:
05/20/1992
3
MCCONNELL, S. BRUCE
Exec Dt:
05/22/1992
4
AINLEY, BRIAN
Exec Dt:
05/27/1992
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5259455
NONE
07885934
Correspondence name and address
STEPHEN A. LITTLEFIELD
P.O. BOX 2710
TULSA, OK 74101
Assignment: 70
Reel/Frame:006146/0209   Pages: 3
Recorded: 06/08/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
MC CONNELL, STANLEY B.
Exec Dt:
06/01/1992
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
TULSA, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5180500
NONE
07333165
Correspondence name and address
STEPHEN A. LITTLEFIELD
DOWELL SCHLUMBERGER INCORPORATED
P.O. BOX 2710
TULSA, OK 74101
Assignment: 71
Reel/Frame:006299/0925   Pages: 6
Recorded: 11/02/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
LEFCO ACQUISITION CORPORATION
Exec Dt:
09/18/1992
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
1155 NORTH DAIRY ASHFORD
SUITE 600
HOUSTON, TEXAS 77079
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
4853014
NONE
07078127
 
4921546
NONE
07219647
 
4922937
NONE
07219763
 
4880447
NONE
07275229
 
5127961
NONE
07628166
Correspondence name and address
STEPHEN A. LITTLEFIELD
DOWELL SCHLUMBERGER INCORPORATED
ATTENTION: PATENT DEPARTMENT
POST OFFICE BOX 2710
TULSA, OK 74101
Assignment: 72
Reel/Frame:006369/0449   Pages: 3
Recorded: 01/11/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
SOREM, ROBERT M.
Exec Dt:
11/30/1992
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
PATENT DEPARTMENT
5051 S. 129TH E. AVE.
TULSA, OKLAHOMA 74134
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5361479
NONE
07981714
Correspondence name and address
STEPHEN A. LITTLEFIELD
PATENT COUNSEL
5051 S. 129TH EAST AVE.
TULSA, OK. 74134
Assignment: 73
Reel/Frame:006442/0941   Pages: 3
Recorded: 01/11/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
ESLINGER, DAVID M.
Exec Dt:
11/30/1992
2
SOREM, ROBERT M.
Exec Dt:
11/30/1992
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
PATENT DEPT.
5051 S. 129TH E. AVE.
TULSA, OKLAHOMA 74134
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5280824
NONE
07981441
Correspondence name and address
STEPHEN A. LITTLEFIELD
PATENT DEPT.
P.O. BOX 2710
TULSA, OK 74101
Assignment: 74
Reel/Frame:006442/0944   Pages: 4
Recorded: 01/11/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
ESLINGER, DAVID M.
Exec Dt:
11/30/1992
2
SOREM, ROBERT M.
Exec Dt:
11/30/1992
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
PATENT DEPT.
5051 S. 129TH E. AVE.
TULSA, OKLAHOMA 74134
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5390738
NONE
07981712
Correspondence name and address
STEPHEN A. LITTLEFIELD
PATENT DEPARTMENT
P.O. BOX 2710
TULSA, OK 74101
Assignment: 75
Reel/Frame:006893/0117   Pages: 3
Recorded: 03/14/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CARD, ROGER J.
Exec Dt:
04/05/1993
2
FERAUD, JEAN-PIERRE
Exec Dt:
04/05/1993
3
HOWARD, PAUL R.
Exec Dt:
04/05/1993
Assignees
1
DOWELL SCHLUMBERGER INCORPORATED
LAW DEPARTMENT
105 INDUSTRIAL BOULEVARD
SUGAR LAND, TEXAS 77478
2
DOWELL SCHLUMBERGER INCORPORATED
PATENT DEPARTMENT
105 INDUSTRIAL BOULEVARD
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5330005
NONE
08042978
Correspondence name and address
STEPHEN A. LITTLEFIELD
PATENT DEPARTMENT
105 INDUSTRIAL BOULEVARD
SUGAR LAND, TEXAS 77478
Assignment: 76
Reel/Frame:006893/0117   Pages: 3
Recorded: 03/14/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CARD, ROGER J.
Exec Dt:
04/05/1993
2
FERAUD, JEAN-PIERRE
Exec Dt:
04/05/1993
3
HOWARD, PAUL R.
Exec Dt:
04/05/1993
Assignees
1
DOWELL SCHLUMBERGER INCORPORATED
LAW DEPARTMENT
105 INDUSTRIAL BOULEVARD
SUGAR LAND, TEXAS 77478
2
DOWELL SCHLUMBERGER INCORPORATED
PATENT DEPARTMENT
105 INDUSTRIAL BOULEVARD
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5330005
NONE
08042978
Correspondence name and address
STEPHEN A. LITTLEFIELD
PATENT DEPARTMENT
105 INDUSTRIAL BOULEVARD
SUGAR LAND, TEXAS 77478
Assignment: 77
Reel/Frame:006510/0799   Pages: 3
Recorded: 05/14/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
LEISING, LAWRENCE J.
Exec Dt:
05/14/1993
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
PATENT DEPT., 5051 S. 129TH E. AVE.
P.O. BOX 2710
TULSA, OKLAHOMA 74134
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5417291
NONE
08062645
Correspondence name and address
STEPHEN. LITTLEFIELD
DOWELL SCHLUMBERGER INC.
5051 S. 129TH EAST AVE.,
TULSA, OK 741340000
Assignment: 78
Reel/Frame:006628/0379   Pages: 3
Recorded: 07/13/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ESLINGER, DAVID M.
Exec Dt:
07/13/1993
2
SOREM, ROBERT M.
Exec Dt:
07/13/1993
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
PATENT DEPARTMENT
5051 S. 129TH E. AVENUE
TULSA, OKLAHOMA 74134
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5439053
NONE
08091789
Correspondence name and address
DOWELL SCHLUMBERGER INCORPORATED
STEPHEN A. LITTLEFIELD
5051 S. 129TH E. AVENUE
TULSA, OKLAHOMA 74134
Assignment: 79
Reel/Frame:006909/0971   Pages: 3
Recorded: 03/21/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PRICE, PAUL A.
Exec Dt:
12/30/1993
2
QIU, XIAOPING
Exec Dt:
12/20/1993
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
PATENT DEPARTMENT
105 INDUSTRIAL BOULEVARD
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5415228
NONE
08163256
Correspondence name and address
STEPHEN A. LITTLEFIELD
PATENT DEPARTMENT
DOWELL SCHLUMBERGER INCORPORATED
105 INDUSTRIAL BOULEVARD
SUGAR LAND, TX 77478
Assignment: 80
Reel/Frame:006878/0792   Pages: 4
Recorded: 03/07/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DOW CHEMICAL COMPANY, THE
Exec Dt:
01/26/1994
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4443268
NONE
06320815
Correspondence name and address
CASSELL & STONE, L.L.P.
MICHAEL P. STEINDLER
5956 SHERRY LANE, SUITE 1415
DALLAS, TEXAS 75225
Assignment: 81
Reel/Frame:006889/0906   Pages: 4
Recorded: 03/07/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DOW CHEMICAL COMAPNY, THE
Exec Dt:
01/26/1994
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4133773
NONE
05819748
Correspondence name and address
MR. MICHAEL P. STEINDLER
CASSELL & STONE, L.L.P.
5956 SHERRY LANE, SUITE 1415
DALLAS, TX 75225
Assignment: 82
Reel/Frame:006878/0801   Pages: 3
Recorded: 03/07/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SIMMONS, BOBBY G.
Exec Dt:
01/28/1994
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
P.O. BOX 4610
HOUSTON, TEXAS 77210
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4849027
NONE
07040544
Correspondence name and address
CASSELL & STONE, L.L.P.
MICHAEL P. STEINDLER
5956 SHERRY LANE, SUITE 1415
DALLAS, TEXAS 75225
Assignment: 83
Reel/Frame:006973/0569   Pages: 3
Recorded: 05/02/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BARLET-GOUEDARD, VERONIQUE
Exec Dt:
02/21/1994
2
HENDRIKS, HUGO
Exec Dt:
02/22/1994
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
PATENT DEPARTMENT
105 INDUSTRIAL BOULEVARD
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5503672
NONE
08207986
Correspondence name and address
DOWELL SCHLUMBERGER INCORPORATED
STEPHEN A. LITTLEFIELD
PATENT DEPARTMENT
105 INDUSTRIAL BOULEVARD
SUGAR LAND, TX 77478
Assignment: 84
Reel/Frame:007037/0974   Pages: 4
Recorded: 06/23/1994
Conveyance: RE-RECORD ASSIGNMENT PREVIOUSLY RECORDED ON 5/2/94 REEL 6973 FRAMES-569-571 TO ADD ASSIGNOR NAME
Assignors
1
BARLET-GOUEDARD, VERONIQUE
Exec Dt:
02/22/1994
2
HENDRIKS, HUGO
Exec Dt:
02/22/1994
3
MAROY, PIERRE
Exec Dt:
02/22/1994
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
PATENT DEPARTMENT
105 INDUSTRIAL BLVD.
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5503672
NONE
08207986
Correspondence name and address
DOWELL SCHLUMBERGER INCORPORATED
STEPHEN A. LITTLEFIELD
PATENT DEPARTMENT
105 INDUSTRIAL BLVD.
SUGAR LAND, TX 77478
Assignment: 85
Reel/Frame:006935/0089   Pages: 3
Recorded: 03/15/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NELSON, ERIK B.
Exec Dt:
03/08/1994
2
CAWIEZEL, KAY E.
Exec Dt:
03/10/1994
3
CONSTIEN, VERNON G.
Exec Dt:
03/08/1994
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
PATENT DEPARTMENT
105 INDUSTRIAL BOULEVARD
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5445223
NONE
08213640
Correspondence name and address
STEPHEN A. LITTLEFIELD
PATENT COUNSEL
105 INDUSTRIAL BOULEVARD
SUGAR LAND, TEXAS 77478
Assignment: 86
Reel/Frame:007508/0563   Pages: 3
Recorded: 05/11/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NELSON, ERIK B.
Exec Dt:
03/08/1994
2
CAWIEZEL, KAY E.
Exec Dt:
03/10/1994
3
CONSTIEN, VERNON G.
Exec Dt:
03/08/1994
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
105 INDUSTRIAL BOULEVARD
PATENT DEPARTMENT
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5658861
NONE
08439054
Correspondence name and address
STEPHEN A. LITTEFIELD
PATENT COUNSEL
105 INDUSTRIAL BOULEVARD
SUGAR LAND, TX 77478
Assignment: 87
Reel/Frame:006928/0630   Pages: 3
Recorded: 03/25/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CARD, ROGER J.
Exec Dt:
03/14/1994
2
FERAUD, JEAN-PIERRE
Exec Dt:
03/14/1994
3
HOWARD, PAUL R.
Exec Dt:
03/14/1994
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
PATENT DEPARTMENT
105 INDUSTRIAL BOULEVARD
SUGAR LAND, TEXAS 77210
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5439055
NONE
08207976
Correspondence name and address
DOWELL SCHLUMBERGER INCORPORATED
STEPHEN A. LITTLEFIELD
PATENT DEPARTMENT
105 INDUSTRIAL BOULEVARD
SUGAR LAND, TEXAS 77210
Assignment: 88
Reel/Frame:006983/0494   Pages: 3
Recorded: 05/10/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
EASON, CHARLES R., JR.
Exec Dt:
04/27/1994
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
300 SCHLUMBERGER DRIVE
PATENT DEPARTMENT
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5429191
NONE
08205910
Correspondence name and address
STEPHEN A. LITTLEFIELD
PATENT COUNSEL
POST OFFICEB OX 4610
HOUSTON, TEXAS 77210
Assignment: 89
Reel/Frame:007001/0182   Pages: 3
Recorded: 05/06/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
BOYLE, BRUCE W.
Exec Dt:
05/06/1994
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5573225
NONE
08239198
Correspondence name and address
STEPHEN A. LITTLEFIELD
PATENT COUNSEL
DOWELL SCHLUMBERGER
P.O. BOX 4610
HOUSTON, TX 77210
Assignment: 90
Reel/Frame:007050/0166   Pages: 3
Recorded: 07/05/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SOREM, ROBERT M.
Exec Dt:
06/22/1994
2
ESLINGER, DAVID M.
Exec Dt:
06/22/1994
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5353871
NONE
08128353
Correspondence name and address
STEPHEN A. LITTLEFIELD
PATENT COUNSEL
P. O. BOX 4610
HOUSTON, TX 77210
Assignment: 91
Reel/Frame:007058/0437   Pages: 3
Recorded: 07/05/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SOREM, ROBERT M.
Exec Dt:
06/22/1994
2
ESLINGER, DAVID M.
Exec Dt:
06/22/1994
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5398755
NONE
08127649
Correspondence name and address
STEPHEN A LITTLEFIELD
PATENT COUNSEL
P.O. BOX 4610
HOUSTON, TX 77210
Assignment: 92
Reel/Frame:007070/0351   Pages: 3
Recorded: 07/11/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ESLINGER, DAVID M.
Exec Dt:
06/22/1994
2
SOREM, ROBERT M.
Exec Dt:
06/22/1994
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5404947
NONE
08128351
Correspondence name and address
STEPHEN A. LITTLEFIELD
PATENT COUNSEL
P.O. BOX 4610
HOUSTON, TX 77210
Assignment: 93
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: 94
Reel/Frame:007121/0022   Pages: 3
Recorded: 07/29/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
NIMERICK, KENNETH H.
Exec Dt:
07/29/1994
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5681796
NONE
08283129
Correspondence name and address
STEPHEN A. LITTLEFIELD
PATENT DEPARTMENT
105 INDUSTRIAL BLVD.
SUGAR LAND, TX 77478
Assignment: 95
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: 96
Reel/Frame:007169/0432   Pages: 3
Recorded: 10/14/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CAWIEZEL, KAY E.
Exec Dt:
09/12/1994
2
HODGE, RICHARD
Exec Dt:
09/07/1994
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5633220
NONE
08300256
Correspondence name and address
STEPHEN A. LITTLEFIELD
DOWELL SCHLUMBERGER INCORPORATED
P.O. BOX 4610
HOUSTON, TX 77210
Assignment: 97
Reel/Frame:007223/0552   Pages: 4
Recorded: 09/23/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
POYET, GEORGES
Exec Dt:
09/15/1994
2
BADIER, FREDERIC
Exec Dt:
09/15/1994
3
GUILLOT, DOMINIQUE
Exec Dt:
09/15/1994
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
150 INDUSTRIAL BLVD.
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5466063
NONE
08313034
Correspondence name and address
JOHN W. SCHNELLER
SPENCER, FRANK & SCHNEIDER
STE. 300 EAST, 1100 NEW YORK AVENUE N.W.
WASHINGTON, DC 20005-3955
Assignment: 98
Reel/Frame:007731/0104   Pages: 2
Recorded: 07/31/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SAWDON, CHRISTOPHER ALAN
Exec Dt:
01/06/1995
Assignee
1
DOWELL SCHLUMBERGER INCORPORATED
P.O. BOX 4610
HOUSTON, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5627143
NONE
08379608
Correspondence name and address
WOLF, GREENFIELD & SACKS
DAVID M. DRISCOLL
FEDERAL RESERVE PLAZA
600 ATLANTIC AVENUE
BOSTON, MA 02210

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