Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6976171 | Identification card and identification procedure | Rudolf Ritter | 2005-12-13 |
| 6968383 | Method for broadcasting addressed data to a plurality of users | Rudolf Ritter, Hanspeter Bouquet | 2005-11-22 |