Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10322601 | Security element with effect pigments and an embossing structure and method for the production thereof | Christoph Mengel, Peter Franz, Thanh-Hao HUYNH, Karlheinz Mayer, Christian Fuhse +2 more | 2019-06-18 |
| 8936846 | Layer-type value document comprising an ink mixture in one layer | Georg Depta, Karlheinz Mayer, Peter Schiffmann | 2015-01-20 |
| 8622433 | Security document | Georg Depta, Karlheinz Mayer, Peter Franz, Max Voit, Walter Dorfler | 2014-01-07 |
| 8400673 | Value document comprising a serial number | Georg Depta, Karlheinz Mayer, Peter Franz, Max Voit, Walter Dorfler | 2013-03-19 |
| 8100436 | Data support with an optically variable structure | Astrid Heine, Roger Adamczyk, Karlheinz Mayer, Peter Franz | 2012-01-24 |
| 7618066 | Photoengraved printed data carrier | Daniel Franz, Adolf Preidt, Theodor Rebele | 2009-11-17 |
| 6712397 | Embossed data carrier | Karlheinz Mayer, Roger Adamczyk, Eduard Wisjak | 2004-03-30 |