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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
08/06/1991
Application #:
07481134
Filing Dt:
02/16/1990
Inventors:
JAMES F. CARROLL, HUGH D. SCOTT
Title:
METHOD AND APPARATUS FOR DETECTING AND QUANTIFYING RADIOACTIVE MATERIAL ON TUBING IN A BOREHOLE
Assignment: 1
Reel/Frame:
005275/0543Recorded: 04/06/1990Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
03/12/1990
Assignee:
5000 GULF FREEWAY, P.O. BOX 2175
HOUSTON,, TEXAS 77023
Correspondent:
SCHLUMBERGER TECHNOLOGY CORP.
ATTN: PATENT COUNSEL
P. O. BOX 2175
HOUSTON, TX 77252-2175
Assignment: 2
Reel/Frame:
005275/0545Recorded: 04/06/1990Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
03/27/1990
Assignee:
5000 GULF FREEWAY, P.O. BOX 2175,
HOUSTON,, TEXAS 77023
Correspondent:
SCHLUMBERGER WELL SERVICES
ATTN: PATENT COUNSEL
P. O. BOX 2175
HOUSTON, TX 77252-2175

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