Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6039601 | Contact spring having an improved electrical contact | Stephanus Mulders | 2000-03-21 |
| 5991159 | Chip card | — | 1999-11-23 |
| 5844524 | Antenna, in particular for an anti-theft system of a motor vehicle | Johannes Kroitzsch | 1998-12-01 |