Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6073064 | Device and process for limiting access to authorized users | Wilfried Petsching, Bernd Weiss | 2000-06-06 |
| 6020827 | Authentication device with key number memory | Wilfried Petsching, Bernd Weiss | 2000-02-01 |