IP Library Assignment 019145/0518
Patent Assignment
Reel/Frame 019145/0518

Assignment of Assignor's Interest

Recorded: 2007-04-11 Pages: 4
Assignors
LOUIS, GUILLOU
Executed: 2006-07-26
JEAN-JACQUES, QUISQUATER
Executed: 2006-06-15
Assignees
FRANCE TELECOM
6, PLACE D'ALLERAY, PARIS, 75015, FRANCE
MATH RIZK, SPRL
VERTE VOIE 20, BOITE 5, LOUVAIN-LA-NEUVE, 1348, BELGIUM
Covered Property (1)
Zero-Knowledge Proof Cryptography Methods and Devices
Patent: 7,680,271 →
Application: 10/587,460 →
Publication: US 2007/0121936
Related Assignments (5)
Other recorded transfers of the patent in this record — the chain of ownership.
Corrective Assignment to Correct the Serial No. from 10/578,460 to 10/587,460 Previously Recorded on Reel 019145 Frame 0518. Assignor(S) Hereby Confirms the Assignment. Apr 19, 2007
From: GUILLOU, LOUIS; QUISQUATER, JEAN-JACQUES
To: FRANCE TELECOM; MATH RIZK, SPRL
Reel/Frame 019180/0332 →
Corrective Assignment to Correct the Filing Date of the Int'l Appl. on the Assignment Document from 04/21/2005 to 01/24/2005 as Shown in the Attached Filing Receipt Previously Recorded on Reel 019180 Frame 0332. Assignor(S) Hereby Confirms the Assignment. Feb 12, 2009
From: GUILLOU, LOUIS; QUISQUATER, JEAN-JACQUES
To: FRANCE TELECOM; MATH RIZK, SPRL
Reel/Frame 022362/0730 →
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: MATH RIZK, SPRL
To: PHENTAM DIRE NV, LLC
Reel/Frame 022354/0321 →
Merger Dec 22, 2015
From: PHENTAM DIRE NV, LLC
To: CALLAHAN CELLULAR L.L.C.
Reel/Frame 037358/0797 →