Patent Assignment
Reel/Frame 021974/0254
Confirmatory Assignment
Recorded: 2008-12-12
Pages: 5
Assignees
FRANCE TELECOM
6, PLACE D'ALLERAY, PARIS, 75015, FRANCE
MATH RIZK
VERTE VOIE - 20 BOITE 5, LOUVAIN-LA-NEUVE, B1348, BELGIUM
TELEDIFFUSION DE FRANCE
10 RUE D'ORADOUR-SUR-GLANE, PARIS, 75732, FRANCE
Covered Property
(1)
Method, System, Device for Proving the Autheticity of an Entity and/or the Integrity and/or the Authenticity of a Message Using Specific Prime Factors
Patent:
7,266,197 →
Application:
09/869,966 →
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 14, 2001
From: GUILLOU, LOUIS; QUISQUATER, JEAN-JACQUES
To: FRANCE TELECOM; TELEDIFFUSION DE FRANCE; RIZK, MATH
Reel/Frame 012186/0954 →
Change of Name
Nov 2, 2007
From: TELEDIFFUSION DE FRANCE
To: TDF
Reel/Frame 020060/0969 →
Change of Name
Dec 4, 2008
From: TELEDIFFUSION DE FRANCE
To: TDF
Reel/Frame 021924/0309 →
Assignment of Assignor's Interest
Mar 6, 2009
From: MATH RIZK, SPRL
To: PHENTAM DIRE NV, LLC
Reel/Frame 022354/0321 →
Assignment of Assignor's Interest
Mar 6, 2009
From: FRANCE TELECOM SA
To: PHENTAM DIRE NV, LLC
Reel/Frame 022354/0290 →
Assignment of Assignor's Interest
Mar 6, 2009
From: TDF
To: PHENTAM DIRE NV, LLC
Reel/Frame 022354/0347 →
Merger
Dec 22, 2015
From: PHENTAM DIRE NV, LLC
To: CALLAHAN CELLULAR L.L.C.
Reel/Frame 037358/0797 →