Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7395972 | Data carrier or document carrier | Steffen Drews | 2008-07-08 |
| 6105874 | Dual-mode data carrier and circuit for such a data carrier with simplified data transfer means | Dominik Berger, Bernhard Czar | 2000-08-22 |
| 5285370 | Circuit arrangement for generating a high DC voltage | Klaus Axer | 1994-02-08 |