WD

Walter Dorfler

GG Giesecke & Devrient Gmbh: 4 patents #100 of 507Top 20%
GG Giesecke+Devrient Currency Technology Gmbh: 1 patents #92 of 175Top 55%
📍 Birkenfeld, DE: #235 of 1,442 inventorsTop 20%
Overall (All Time): #959,611 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11511559 Optically variable security element Christian Fuhse, Astrid Heine, Martin Imhof, Angelika Keck-Angerer, Peter Franz 2022-11-29
8998264 Identification document having a personalized visual identifier and method for production thereof Alfons Assfalg 2015-04-07
8622433 Security document Georg Depta, Karlheinz Mayer, Christof Baldus, Peter Franz, Max Voit 2014-01-07
8528941 Security element having a laser marking Michael Bauer 2013-09-10
8400673 Value document comprising a serial number Georg Depta, Karlheinz Mayer, Christof Baldus, Peter Franz, Max Voit 2013-03-19