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Patent Assignment Assignee Details
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Assignee Name : SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP OF TX
Total Assignments: 11
Assignment: 1
Reel/Frame:004186/0052   Pages: 2
Recorded: 10/24/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
WAMBAUGH, JOHN O.
Exec Dt:
10/20/1983
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP OF TX
5000GULF FREEWAY
P.O. BOX 2175
HOUSTON, TEXAS 77001
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4545433
NONE
06544660
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORP.
ATTN: PATENT COUNSEL
P. O. BOX 2175
HOUSTON, TX 77001
Assignment: 2
Reel/Frame:004332/0194   Pages: 2
Recorded: 11/01/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
CHOW, EDWARD Y.
Exec Dt:
11/01/1984
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP OF TX
277 PARK AVENUE
NEW YORK, NEW YORK 10172
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4607530
NONE
06667249
Correspondence name and address
DAVID H. CARROLL
SCHLUMGERGER-DOLL RESEARCH
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 3
Reel/Frame:004371/0209   Pages: 2
Recorded: 03/11/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
CLARK, BRIAN
Exec Dt:
02/28/1985
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP OF TX
277 PARK AVENUE
NEW YORK, NEW YORK 10172
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4689572
NONE
06687071
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
PATENT COUNSEL
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 4
Reel/Frame:004369/0089   Pages: 2
Recorded: 03/06/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
HAVIRA, R. MARK
Exec Dt:
03/04/1985
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP OF TX
277 PARK AVE.
NEW YORK, NEW YORK 10172
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4733380
NONE
06686123
Correspondence name and address
PATENT COUNSEL
SCHLUMBERGER-DOLL RESEARCH
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 5
Reel/Frame:004425/0105   Pages: 2
Recorded: 06/24/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
KNUTSEN, GARY F.
Exec Dt:
06/20/1985
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP OF TX
5000 GULF FREEWAY
(P.O. 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: 6
Reel/Frame:004511/0180   Pages: 1
Recorded: 01/27/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DAVIS, ALAN L.
Exec Dt:
01/22/1986
2
COATES, WILLIAM
Exec Dt:
01/22/1986
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP OF TX
3340 HILLVIEW AVENUE
PALO ALTO, CALIFORNIA 94304
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4755935
NONE
06822893
Correspondence name and address
FITCH, EVEN, TABIN & FLANNERY
135 SO. LASALLE ST., STE. 900
CHICAGO, IL 60603-4277
Assignment: 7
Reel/Frame:004601/0196   Pages: 2
Recorded: 08/18/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
HERRON, MICHAEL M.
Exec Dt:
08/15/1986
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP OF TX
277 PARK AVE.
NEW YORK, NEW YORK 10172
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4773264
NONE
06897900
Correspondence name and address
DAVID P. GORDON
4 STANWICK CIRCLE
STAMFORD, CT 06905
Assignment: 8
Reel/Frame:004654/0668   Pages: 2
Recorded: 01/16/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
CHANG, SHU-KONG
Exec Dt:
01/09/1987
2
FROELICH, BENOIT G.
Exec Dt:
01/09/1987
3
VARGA, GYULA
Exec Dt:
01/09/1987
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP OF TX
277 PARK AVE.
NEW YORK, NEW YORK 10172
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4951267
NONE
06919293
Correspondence name and address
SCHLUMBERGER-DOLL RESEARCH
ATTN: PATENT COUNSEL,
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 9
Reel/Frame:005331/0970   Pages: 3
Recorded: 06/05/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
MEEK, DALE E.
Exec Dt:
05/30/1990
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP OF TX
5000 GULF FREEWAY (P.O. BOX 2175)
HOUSTON, TEXAS 77023
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5010958
NONE
07533624
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ATTN: PATENT COUNSEL, P.O. BOX 2175
HOUSTON, TX 77252-2175
Assignment: 10
Reel/Frame:005331/0973   Pages: 3
Recorded: 06/05/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
HANSEN, MERLIN D.
Exec Dt:
05/31/1990
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP OF TX
5000 GULF FREEWAY (P.O. BOX 2175)
HOUSTON, TEXAS 77023
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5010958
NONE
07533624
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ATTN: PATENT COUNSEL, P.O. BOX 2175
HOUSTON, TX 77252-2175
Assignment: 11
Reel/Frame:005649/0066   Pages: 3
Recorded: 03/15/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
HROMAS, JOE C.
Exec Dt:
03/12/1991
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP OF TX
5000 GULF FREEWAY
(P.O. BOX 2175)
HOUSTON, TEXAS 77023
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5146983
NONE
07670554
Correspondence name and address
JOHN H. BOUCHARD
SCHLUMBERGER TECHNOLOGY CORPORATION
ATTN: PATENT COUNSEL
P.O. BOX 2175
HOUSTON, TX 77252-2175

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