Issued Patents All Time
Showing 1–1 of 1 patents
| 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, Eckhard M. Koch, Ingo A. Kubbilun, Hans Joachim Bickenbach, Marcus Belke | 2008-06-03 |