Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7383441 | Method and device for confirming the authenticity of a document and a safe for storing data | Jan C. Vorbrüggen, Wolfgang Kubbilun, Eckhard M. Koch, Hans Joachim Bickenbach, Marcus Belke | 2008-06-03 |