FW

Franz Weikmann

GG Giesecke & Devrient Gmbh: 3 patents #123 of 507Top 25%
Overall (All Time): #1,249,640 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7636438 Data medium authentication method Michael Lamla, Hermann Drexler, Wolfgang Rankl, Wolfgang Effing 2009-12-22
5850524 Method for testing the authenticity of a data carrier Michael Lamla, Wolfgang Rankl, Wolfgang Effing 1998-12-15
5763869 Data carrier having an electronic module Jürgen Moll, Michael Lamla 1998-06-09
5600818 Data protective microprocessor circuit for portable data carriers, for example credit cards 1997-02-04