Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7203836 | Method and device for the mutual authentication of components in a network using the challenge-response method | Walter Mohrs, Frieder Pernice | 2007-04-10 |
| 5907616 | Method for accessing a portion of the data on a microprocessor card | Roswitha Brogger, Matthias Jungemann | 1999-05-25 |