Patent Assignment
Reel/Frame 026354/0506
Assignment of Assignor's Interest
Recorded: 2011-05-27
Pages: 3
Assignors
FLNKENZELLER, KLAUS
Executed: 2009-09-21
MEISTER, GISELA, DR.
Executed: 2009-09-21
WACKER, DIRK, DR.
Executed: 2009-09-25
Assignee
GIESECKE & DEVRIENT GMBH
PRINZREGENTENSTRASSE 159, MUENCHEN, 81677, GERMANY
Covered Property
(1)
Method for Challenge Response Authentication Between a Reading Device and a Transponder Using Contactless Data Transmission
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Corrective Assignment to Correct the First Assignors Name Previously Recorded on Reel 026354 Frame 0506. Assignor(S) Hereby Confirms the Assignment.
Jul 9, 2014
From: FINKENZELLER, KLAUS; MEISTER, GISELA, DR.; WACKER, DIRK, DR.
To: GIESECKE & DEVRIENT GMBH
Reel/Frame 033287/0574 →
Assignment of Assignor's Interest
Nov 30, 2017
From: GIESECKE & DEVRIENT GMBH
To: GIESECKE+DEVRIENT MOBILE SECURITY GMBH
Reel/Frame 044559/0969 →