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Patent Assignment Assignee Details
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Assignee Name : SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
Total Assignments: 45
Assignment: 1
Reel/Frame:003847/0318   Pages: 2
Recorded: 12/09/1980
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
TANGUY DENIS R.
Exec Dt:
12/03/1980
2
LEISING LARRY J.
Exec Dt:
12/03/1980
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
277 PARK AVE
NEW YORK, NEW YORK 10172
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4359898
NONE
06214472
Correspondence name and address
ARNOLD, WHITE, ET AL.
2100 TRANSCO TOWER
HOUSTON, TEXAS 77056
Assignment: 2
Reel/Frame:003862/0946   Pages: 2
Recorded: 01/30/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
FITZGERALD ROBERT W. JR.
Exec Dt:
01/22/1981
2
HALL ROBERT L.
Exec Dt:
01/22/1981
3
BICKFORD GARY P.
Exec Dt:
01/22/1981
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
277 PARK AVE.
NEW YORK, NEW YORK 10172
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4408829
NONE
06229823
Correspondence name and address
BRUCE D. RITER
SCHLUMBERGER LTD.
205 INDUSTRIAL RD.
SUGAR LAND, TX 77478
Assignment: 3
Reel/Frame:004425/0107   Pages: 2
Recorded: 06/24/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
MEI, DANIEL L.
Exec Dt:
06/21/1985
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
5000 GULF FREEWAY
PO BOX 2175
HOUSTON, TEXAS 77023
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4759601
NONE
06748257
Correspondence name and address
SCHLUMBERGER TECH. CORP.
ATTN. PAT. COUNSEL, P. O. BOX 2175
HOUSTON, TX 77252-2175
Assignment: 4
Reel/Frame:004434/0997   Pages: 2
Recorded: 07/17/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
GRAU, JAMES A.
Exec Dt:
07/17/1985
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
NEW YORK,, NEW YORK
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4661701
NONE
06756007
Correspondence name and address
BRUMBAUGH, GRAVES, DONOHUE & RAYMOND
30 ROCKEFELLER PLAZA
NEW YORK, NY 10112
Assignment: 5
Reel/Frame:004533/0386   Pages: 2
Recorded: 01/03/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WITKIN, ANDREW P.
Exec Dt:
01/06/1986
2
KASS, MICHAEL H.
Exec Dt:
01/06/1986
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
3340 HILLVIEW AVENUE
PALO ALTO, CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4745550
NONE
06766639
Correspondence name and address
IVAN S. KAVRUKOV
COOPER, DUNHAM, CLARK, GRIFFIN & MORAN
30 ROCKEFELLER PLA.
NEW YORK, NY 10112
Assignment: 6
Reel/Frame:004671/0392   Pages: 2
Recorded: 01/27/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
GLOTIN, BERNARD J. P.
Exec Dt:
11/14/1986
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
5000 GULF FREEWAY
P.O. BOX 2175
HOUSTON, TEXAS 77023
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4782695
NONE
06910038
Correspondence name and address
SCHLUMBERGER PERFORATING AND TESTING
14910 AIRLINE ROAD
DRAWER A
ROSHARON, TEXAS 77583
Assignment: 7
Reel/Frame:004671/0390   Pages: 2
Recorded: 01/27/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
EXBRAYAT, JACQUES
Exec Dt:
12/02/1986
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
5000 GULF FREEWAY
P.O. BOX 2175
HOUSTON, TEXAS 77023
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4782695
NONE
06910038
Correspondence name and address
SCHLUMBERGER PERFORATING AND TESTING
14910 AIRLINE ROAD
DRAWER A
ROSHARON, TEXAS 77583
Assignment: 8
Reel/Frame:004724/0806   Pages: 2
Recorded: 06/19/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
SHARMA, YOGESHWAR
Exec Dt:
04/03/1987
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
277, PARK AVENUE
NEW YORK, NEW YORK 10172
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4890487
NONE
07035563
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
ATTN: PATENT COUNSEL
OLD QUARRY RD.
RIDGEFIELD, CT 06877-4108
Assignment: 9
Reel/Frame:004858/0738   Pages: 2
Recorded: 06/29/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
FLAUM, CHARLES
Exec Dt:
09/14/1987
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
277 PARK AVENUE
NEW YORK, NEW YORK 10172
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4816674
NONE
07067898
Correspondence name and address
DAVID P. GORDON
65 WOODS END ROAD
STAMFORD, CT 06905
Assignment: 10
Reel/Frame:004858/0740   Pages: 2
Recorded: 06/29/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
SCOTT, HUBERT D.
Exec Dt:
09/14/1987
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
277 PARK AVENUE
NEW YORK, NEW YORK 10172
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4816674
NONE
07067898
Correspondence name and address
DAVID P. GORDON
65 WOODS END ROAD
STAMFORD, CT 06905
Assignment: 11
Reel/Frame:004784/0190   Pages: 2
Recorded: 10/23/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
CORJON, PATRICE
Exec Dt:
10/09/1987
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
5000 GULF FREEWAY
HOUSTON, TEXAS 77023
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4802359
NONE
07112905
Correspondence name and address
SCHLUMBERGER, TECHNOLOGY CORPORATION
ATTN: PATENT COUNSEL
P.O. BOX 2175
HOUSTON, TX 77001
Assignment: 12
Reel/Frame:004819/0120   Pages: 2
Recorded: 11/19/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
PELTIER, BERTRAND
Exec Dt:
10/27/1987
2
DESHAIS, RICHARD
Exec Dt:
10/27/1987
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
5000 GULF FREEWAY
HOUSTON, TEXAS 77023
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4852665
NONE
07123075
Correspondence name and address
SCHLUMBERGER LIMITED
ATTN: PATENT COUNSEL
200 MACCO BLVD.
SUGAR LAND, TX 77478
Assignment: 13
Reel/Frame:004826/0931   Pages: 2
Recorded: 11/19/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
CHANG, SHU-KONG
Exec Dt:
11/09/1987
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
5000 GULF FREEWAY P.O. BOX 2175
HOUSTON, TEXAS 77023
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4850450
NONE
07122978
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ATTN: PATENT COUNSEL
P.O. BOX 2175
HOUSTON, TX 77001
Assignment: 14
Reel/Frame:004826/0933   Pages: 2
Recorded: 11/19/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
VARGA, GYULA
Exec Dt:
11/09/1987
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
5000 GULF FREEWAY P.O. BOX 2175
HOUSTON, TEXAS 77023
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4850450
NONE
07122978
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ATTN: PATENT COUNSEL
P. O. BOX 2175
HOUSTON, TX 77252-2175
Assignment: 15
Reel/Frame:004826/0929   Pages: 2
Recorded: 11/19/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
HOYLE, DAVID C.
Exec Dt:
11/18/1987
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
5000 GULF FREEWAY P.O. BOX 2175
HOUSTON, TEXAS 77023
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4850450
NONE
07122978
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ATTN: PATENT COUNSEL
P.O. BOX 2175
HOUSTON, TX 77001
Assignment: 16
Reel/Frame:004877/0361   Pages: 2
Recorded: 02/26/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
BOURDON, JEAN C.
Exec Dt:
02/10/1988
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
5000 GULF FREEWAY
HOUSTON, TEXAS 77023, USA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4886129
NONE
07160955
Correspondence name and address
SCHLUMBERGER LIMITED
ATTN: PATENT COUNSEL
200 MACCO BLVD.
SUGAR LAND, TX 77478
Assignment: 17
Reel/Frame:004862/0209   Pages: 2
Recorded: 03/07/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
HALL, CHRISTOPHER
Exec Dt:
02/12/1988
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
5000 GULF FREEWAY
HOUSTON, TEXAS 77023
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4807469
NONE
07164614
Correspondence name and address
SCHLUMBERGER LTD.
ATTN: PATENT COUNSEL
200 MACCO BLVD.
SUGAR LAND, TX 77478
Assignment: 18
Reel/Frame:004940/0560   Pages: 2
Recorded: 07/07/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
VANNIER, DANIEL
Exec Dt:
02/22/1988
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
5000 GULF FREEWAY
HOUSTON, TEXAS 77023
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4862090
NONE
07164253
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 19
Reel/Frame:004961/0481   Pages: 2
Recorded: 06/29/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
ELLIS, IAN C.
Exec Dt:
04/22/1988
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
5000 GULF FREEWAY
HOUSTON, TEXAS 77023
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4916312
NONE
07164254
Correspondence name and address
CLIFFORD L. TAGER
SCHLUMBERGER-DOLL RESEARCH
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 20
Reel/Frame:004961/0477   Pages: 2
Recorded: 06/29/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
FOURCADE, FERNAND
Exec Dt:
04/29/1988
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
5000 GULF FREEWAY,
HOUSTON, TEXAS 77023
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4916312
NONE
07164254
Correspondence name and address
CLIFFORD L. TAGER
SCHLUMBERGER-DOLL RESEARCH
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 21
Reel/Frame:004961/0479   Pages: 2
Recorded: 06/29/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
VANDENABEELE, PATRICK
Exec Dt:
05/09/1988
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
5000 GULF FREEWAY
HOUSTON, TEXAS 77023
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4916312
NONE
07164254
Correspondence name and address
CLIFFORD L. TAGER
SCHLUMBERGER-DOLL RESEARCH
OLD QUARRY ROAD
RIDGEFIELD
CONNECTICUT 06877-4108
Assignment: 22
Reel/Frame:004961/0483   Pages: 2
Recorded: 06/29/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
BRUN, YVES
Exec Dt:
06/10/1988
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
5000 GULF FREEWAY
HOUSTON, TEXAS 77023
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4872114
NONE
07191931
Correspondence name and address
CLIFFORD L. TAGER
SCHLUMBERGER-DOLL RESEARCH
OLD QUARRY RD.
RIDGEFIELD, CT 06877-4108
Assignment: 23
Reel/Frame:004961/0485   Pages: 2
Recorded: 06/29/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
MONTMOLLIN, VINCENT DE
Exec Dt:
06/20/1988
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
5000 GULF FREEWAY
HOUSTON, TEXAS 77023
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4872114
NONE
07191931
Correspondence name and address
CLIFFORD L. TAGER
SCHLUMBERGER-DOLL RESEARCH
OLD QUARRY RD.
RIDGEFIELD, CT 06877-4108
Assignment: 24
Reel/Frame:004972/0251   Pages: 2
Recorded: 09/13/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
HOYLE, DAVID C.
Exec Dt:
09/12/1988
Assignees
1
SMITHKLINE BECKMAN CORPORATION
ONE FRANKLIN PLAZA
A CORP. OF PA
PHILADELPHIA, PENNSYLVANIA 19103
2
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
5000 GULF FREEWAY
P.O. BOX 2175
HOUSTON, TEXAS 77023
3
SMITHKLINE BECKMAN CORPORATION
ONE FRANKLIN PLAZA
A CORP. OF PA
PHILADELPHIA, PENNSYLVANIA 19103
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4862991
NONE
07243852
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ATTN: PATENT COUNSEL
P.O. BOX 2175
HOUSTON, TX 77252-2175
Assignment: 25
Reel/Frame:005017/0777   Pages: 2
Recorded: 01/10/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
UPCHURCH, JAMES M.
Exec Dt:
01/03/1989
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
5000 GULF FREEWAY (P.O. BOX 2175)
HOUSTON, TEXAS 77023
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4915168
NONE
07295614
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ATTN: PATENT COUNSEL, P.O. BOX 2175
HOUSTON, TX 77001
Assignment: 26
Reel/Frame:005492/0001   Pages: 3
Recorded: 02/06/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
SUMMERFIELD, GEORGE C.
Exec Dt:
01/26/1989
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
HOUSTON, TEXAS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5128541
NONE
07104750
Correspondence name and address
BEN D. TOBOR
TUDZIN & TOBOR
11757 KATY FREEWAY, STE. 1400
HOUSTON, TX 77079
Assignment: 27
Reel/Frame:005081/0289   Pages: 2
Recorded: 03/23/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
LIU, HSUI-LIN
Exec Dt:
03/23/1989
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
277 PARK AVENUE
NEW YORK, NEW YORK 10172
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4964101
NONE
07327852
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
PATENT DEPT., OLD QUARRY RD.
RIDGEFIELD, CT 06877-4108
Assignment: 28
Reel/Frame:005080/0663   Pages: 2
Recorded: 04/17/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
GOLDSCHILD, P.
Exec Dt:
03/30/1989
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
5000 GULF FREEWAY
HOUSTON, TEXAS 77023
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4940088
NONE
07317709
Correspondence name and address
SCHLUMBERGER WELL SERVICES
P.O. BOX 2175
HOUSTON, TX 77252-2175
Assignment: 29
Reel/Frame:005082/0576   Pages: 2
Recorded: 05/01/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
SEEMAN, BRONISLAW
Exec Dt:
04/28/1989
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
5000 GULF FREEWAY
(P.O. BOX 2175)
HOUSTON, TEXAS 77023
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5067090
NONE
07344729
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORP.,
ATTN: PATENT COUNSEL
P. O. BOX 2175
HOUSTON, TX 77252-2175
Assignment: 30
Reel/Frame:005070/0399   Pages: 2
Recorded: 05/11/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
UPCHURCH, JAMES M.
Exec Dt:
05/02/1989
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
5000 GULF FREEWAY
P.O. BOX 2175
HOUSTON, TEXAS 77023
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4896722
NONE
07295874
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ATTN: PATENT COUNSEL
P. O. BOX 2175
HOUSTON, TX 77252-2175
Assignment: 31
Reel/Frame:005083/0404   Pages: 2
Recorded: 05/15/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
NELLIGAN, WILLIAM B.
Exec Dt:
05/02/1989
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
277 PARK AVENUE
NEW YORK, NEW YORK 10172
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4973839
NONE
07327854
Correspondence name and address
PETER Y. LEE
SCHLUMBERGER-DOLL RESEARCH
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 32
Reel/Frame:005112/0108   Pages: 2
Recorded: 08/04/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
MELCHER, CHARLES L.
Exec Dt:
08/02/1989
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
277 PARK AVENUE
NEW YORK, NEW YORK 10172
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4958080
NONE
07389502
Correspondence name and address
BRUMBAUGH, GRAVES, DONOHUE & RAYMOND
30 ROCKEFELLER PLAZA
NEW YORK, NY 10112
Assignment: 33
Reel/Frame:005245/0070   Pages: 2
Recorded: 12/15/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
EDWARDS, ARNOLD G.
Exec Dt:
12/05/1989
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
5000 GULF FREEWAY
P.O. BOX 2175
HOUSTON, TEXAS 77023
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5025861
NONE
07451279
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORP.
ATTN: PATENT COUNSEL
P. O. BOX 2175
HOUSTON, TX 77252-2175
Assignment: 34
Reel/Frame:005245/0072   Pages: 2
Recorded: 12/15/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
HROMAS, JOE C.
Exec Dt:
12/05/1989
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
5000 GULF FREEWAY
P.O. BOX 2175
HOUSTON, TEXAS 77023
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5025861
NONE
07451279
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORP.
ATTN: PATENT COUNSEL
P. O. BOX 2175
HOUSTON, TX 77252-2175
Assignment: 35
Reel/Frame:005245/0074   Pages: 2
Recorded: 12/15/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
HUBER, KLAUS B.
Exec Dt:
12/05/1989
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
5000 GULF FREEWAY
P.O. BOX 2175
HOUSTON, TEXAS 77023
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5025861
NONE
07451279
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORP.
ATTN: PATENT COUNSEL
P. O. BOX 2175
HOUSTON, TX 77252-2175
Assignment: 36
Reel/Frame:005277/0823   Pages: 3
Recorded: 04/20/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WRAIGHT, PETER
Exec Dt:
03/27/1990
2
MAYES, JAMES C.
Exec Dt:
03/26/1990
3
ORBAN, JACQUES
Exec Dt:
03/29/1990
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
5000 GULF FREEWAY
HOUSTON, TEXAS 77023
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5107705
NONE
07502073
Correspondence name and address
LETICIA V. SALAS
ANADRILL, INC.
200 MACCO BLVD.
SUGAR LAND, TX 77478
Assignment: 37
Reel/Frame:005283/0762   Pages: 2
Recorded: 04/06/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
HUAU, CHRISTIAN
Exec Dt:
03/29/1990
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
277 PARK AVENUE
NEW YORK, NEW YORK 10172
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4970695
NONE
07494721
Correspondence name and address
CLIFFORD L. TAGER
SCHLUMBERGER-DOLL RESEARCH
OLD QUARRY RD.
RIDGEFIELD, CT 06877-4108
Assignment: 38
Reel/Frame:005283/0863   Pages: 2
Recorded: 04/12/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
MISZEWSKI, ANTONI K. L.
Exec Dt:
04/10/1990
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
5000 GULF FREEWAY
P.O. BOX 2175
HOUSTON, TEXAS 77023
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5033553
NONE
07509642
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ATTN: PATENT COUNSEL
P. O. BOX 2175
HOUSTON, TX 77252-2175
Assignment: 39
Reel/Frame:005283/0865   Pages: 2
Recorded: 04/12/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
HUBER, KLAUS B.
Exec Dt:
04/11/1990
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
5000 GULF FREEWAY
P.O. BOX 2175
HOUSTON, TEXAS 77023
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5033553
NONE
07509642
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ATTN: PATENT COUNSEL
P. O. BOX 2175
HOUSTON, TX 77252-2175
Assignment: 40
Reel/Frame:005490/0427   Pages: 4
Recorded: 10/24/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
ALBATS, PAUL
Exec Dt:
10/23/1990
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
277 PARK AVENUE
NEW YORK, NEW YORK 10172
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5160844
NONE
07602525
Correspondence name and address
PATENT DEPARTMENT
SCHLUMBERGER-DOLL RESEARCH
OLD QUARRY ROAD
RIDGEFIELD, CT 06877
Assignment: 41
Reel/Frame:006032/0644   Pages: 3
Recorded: 03/05/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
PIEPRZAK, ANDREW
Exec Dt:
02/27/1992
2
HIGHNAM, PETER T.
Exec Dt:
02/25/1992
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
8311 NORTH RR 620
P.O. BOX 200015
AUSTIN, TEXAS 78720-0015
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5349527
NONE
07811565
Correspondence name and address
CHARLES D. HUSTON
SCHLUMBERGER LABORATORY FOR
COMPUTER SCIENCE
8311 NORTH RR 620, P.O. BOX 200015
AUSTIN, TX 78720-0015
Assignment: 42
Reel/Frame:006186/0593   Pages: 3
Recorded: 07/06/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
EDWARDS, A. GLEN
Exec Dt:
06/24/1992
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
5000 GULF FREEWAY
POST OFFICE BOX 2175
HOUSTON, TEXAS 77023
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5277262
NONE
07909259
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JOHN H. BOUCHARD
ATTN: PATENT COUNSEL
POST OFFICE BOX 2175
HOUSTON, TX 77252-2175
Assignment: 43
Reel/Frame:006242/0148   Pages: 2
Recorded: 08/11/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
STEPHENSON, KENNETH E.
Exec Dt:
08/11/1992
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
277 PARK AVENUE
NEW YORK, NEW YORK 10172
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5515259
NONE
07928003
Correspondence name and address
LEONARD W. POJUNAS
SCHLUMBERGER-DOLL RESEARCH
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 44
Reel/Frame:006256/0875   Pages: 3
Recorded: 08/24/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
TURNER, DAVID O.
Exec Dt:
08/21/1992
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
5000 GULF FREEWAY
P.O. BOX 2175 HOUSTON, TEXAS 77023
HOUSTON,, TEXAS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5310013
NONE
07935090
Correspondence name and address
JOHN H. BOUCHARD
SCHLUMBERGER WELL SERVICES
OFFICE OF PATENT COUNSEL
P.O. BOX 2175
HOUSTON, TEXAS 77252-2175
Assignment: 45
Reel/Frame:006256/0872   Pages: 3
Recorded: 08/24/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
KISHINO, ASHLEY C.
Exec Dt:
08/24/1992
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TEXAS
5000 GULF FREEWAY
P.O. BOX 2175 HOUSTON, TEXAS 77023
HOUSTON,, TEXAS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5310013
NONE
07935090
Correspondence name and address
JOHN H. BOUCHARD
SCHLUMBERGER WELL SERVICES
OFFICE OF PATENT COUNSEL
P.O. BOX 2175
HOUSTON, TEXAS 77252-2175

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