Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6631676 | Process and apparatus for gravure | Armin Weichmann, Rainer Stamme, Andreas Schiller, Hans-Peter Fleischmann | 2003-10-14 |
| 6600416 | Device for validating authenticity features on documents of value and security documents | Frank Kappe, Benedikt Ahlers, Roland Gutmann, Anett Bailleu | 2003-07-29 |
| 6530527 | Value or security product with luminescent security elements and method for the production and use thereof in respect to visual and machine-operated detection of authenticity | Benedikt Ahlers, Roland Gutmann, Wolfgang Schmidt, Frank Kappe | 2003-03-11 |