Patent Assignment
Reel/Frame 009092/0685
Assignment of Assignor's Interest
Recorded: 1998-03-11
Pages: 2
Assignor
POWERDRILL FRANCE
Executed: 1998-01-06
Assignee
POWERDRILL GMBH UND CO KG
LOCHFELDSTRASSE, 30, RASTATT, 76437, GERMANY
Covered Property
(1)
Drilling Hole System for Horizontal Boreholes
Patent:
6,050,351 →
Application:
08/922,574 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 11, 1998
From: ECKENFELS, JOSEF; HAAS, HERBERT; PRINZ, NORBERT; WARTEL, CHRISTIAN
To: GAZ DE FRANCE (G.D.F.) SERVICE NATIONAL; POWERDRILL FRANCE
Reel/Frame 009092/0700 →
Change of Corporate Form
Nov 12, 2012
From: GAZ DE FRANCE SERVICE NATIONAL
To: GAZ DE FRANCE SOCIETE ANONYME
Reel/Frame 029277/0406 →
Change of Name
Nov 12, 2012
From: GAZ DE FRANCE
To: GDF SUEZ
Reel/Frame 029277/0438 →
Change of Address
Nov 12, 2012
From: GDF SUEZ
To: GDF SUEZ
Reel/Frame 029277/0445 →