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Thomas Brautigam
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Riedering, DE
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last 30 patents
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Patent Grant
Authentication-secured access to a data carrier comprising a mass s...
Patent number
8,689,009
Issue date
Apr 1, 2014
Giesecke & Devrient GmbH
Thomas Bräutigam
G11 - INFORMATION STORAGE
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last 30 patents
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Patent Application
Authentication-secured access to a data carrier comprising a mass s...
Publication number
20090138726
Publication date
May 28, 2009
Thomas Brautigam
G06 - COMPUTING CALCULATING COUNTING