Patent Assignment
Reel/Frame 005958/0115
Assignment of Assignors Interest.
Recorded: 1991-08-19
Pages: 3
Assignor
FORTIN, JEAN-PIERRE
Executed: 1991-08-02
Assignee
COMPAGNIE GENERALE DE GEOPHYSIQUE
1 RUE LEON MIGAUX, 91341 MASSY CEDEX, FRANCE
Covered Property
(1)
Method and Apparatus for Acquiring Borehole Seismic Data in Two Opposite Directions
Patent:
5,226,017 →
Application:
07/752,456 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.