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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
08/25/1992
Application #:
07613639
Filing Dt:
11/30/1990
Inventor:
HENRY HENNEUSE
Title:
METHOD AND EQUIPMENT FOR DRILLING CONTROL BY VIBRATION ANALYSIS
Assignment: 1
Reel/Frame:
005959/0017Recorded: 01/13/1992Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
01/03/1992
Assignee:
DEPARTEMENT PROPRIETE INDUSTRIELLE TOUR ELF - CEDEX 45
92078 PARIS LA DEFENSE, FRANCE
Correspondent:
BACON & THOMAS
625 SLATERS LANE, 4TH FLOOR
ALEXANDRIA, VA 22314
Assignment: 2
Reel/Frame:
009922/0111Recorded: 04/29/1999Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
08/03/1998
Assignee:
TOUR ELF, 2 PLACE DE LA COUPOLE, LA DEFENSE 6
92400 COURBEVOIE, FRANCE
Correspondent:
BACON & THOMAS
CHARLES R. WOLFE, JR.
625 SLATERS LANE
ALEXANDRIA, VIRGINIA 22314

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