Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9418282 | Method and device for authenticating documents marked with photochromic systems | Alfred Rutz | 2016-08-16 |
| 7751811 | Data acquisition system and mobile terminal | Rudolf Ritter, Beat Becker | 2010-07-06 |