Patent Assignment
Reel/Frame 019389/0641
Assignment of Assignor's Interest
Recorded: 2007-06-06
Pages: 4
Assignors
DARUT, ALAIN
Executed: 2007-05-30
GUEUGNAUT, DOMINIQUE
Executed: 2007-05-29
LOPITAUX, AYMERIC
Executed: 2007-05-29
Assignee
GAZ DE FRANCE
23 RU PHILIBERT DELORME, PARIS, 75017, FRANCE
Covered Property
(1)
Device and Method for Welding Two Polymer Parts via Fusion
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →
Assignment of Assignor's Interest
Jan 30, 2019
From: ENGIE
To: GRTGAZ
Reel/Frame 048195/0815 →
Change of Name
Jan 30, 2019
From: GDF SUEZ
To: ENGIE
Reel/Frame 048196/0608 →