Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5373718 | Electronic lock cylinder connectable by a plug connector | Franz Schwerdt, Thomas Wondrak, Dieter Wienert, Helmut Aswegen | 1994-12-20 |
| 5311757 | Flat key with circuit chip | — | 1994-05-17 |