Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8100436 | Data support with an optically variable structure | Astrid Heine, Christof Baldus, Karlheinz Mayer, Peter Franz | 2012-01-24 |
| 7686341 | Data carrier, method for the production thereof and gravure printing plate | Reinhard Plaschka, Karlheinz Mayer, Peter Franz | 2010-03-30 |
| 7630954 | Data carrier comprising an optically variable element | Peter Franz | 2009-12-08 |
| 7357077 | Data carrier, method for the production thereof and gravure printing plate | Reinhard Plaschka, Karlheinz Mayer, Peter Franz | 2008-04-15 |
| 7311043 | Data carrier with a printed security element and gravure production method thereof | Karlheinz Mayer, Peter Franz, Eckhard Braun | 2007-12-25 |
| 7104193 | Gravure printing plate and valuable document produced by the same | — | 2006-09-12 |
| 7028615 | Gravure process for printing adjacent color surfaces with various color coating thicknesses | Karlheinz Mayer, Eduard Wisjak, Peter Franz | 2006-04-18 |
| 6928925 | Gravure process for printing adjacent color surfaces with various color coating thicknesses | Karlheinz Mayer, Eduard Wisjak, Peter Franz | 2005-08-16 |
| 6712397 | Embossed data carrier | Karlheinz Mayer, Eduard Wisjak, Christof Baldus | 2004-03-30 |