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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
09/04/1990
Application #:
07260088
Filing Dt:
10/19/1988
Inventors:
JEAN-PIERRE MASSON, JACKY BOURSEUL, CLAUDE FIERFORT
Title:
METHOD AND APPARATUS FOR DETECTING ACOUSTIC VIBRATIONS IN A BOREHOLE
Assignment: 1
Reel/Frame:
005006/0756Recorded: 12/23/1988Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
12/01/1988
Assignee:
277 PARK AVE.
NEW YORK, NEW YORK 10172
Correspondent:
SCHLUMBERGER-DOLL RESEARCH
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 2
Reel/Frame:
005006/0752Recorded: 12/23/1988Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
12/08/1988
Assignee:
277 PARK AVENUE
NEW YORK, NEW YORK 10172
Correspondent:
SCHLUMBERGER-DOLL RESEARCH
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108
Assignment: 3
Reel/Frame:
005006/0754Recorded: 12/23/1988Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
12/13/1988
Assignee:
277 PARK AVENUE
NEW YORK, NEW YORK 10172
Correspondent:
SCHLUMBERGER-DOLL RESEARCH
OLD QUARRY ROAD
RIDGEFIELD, CT 06877-4108

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