Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6832343 | Apparatus for controlling safety-critical processes | Roland Rupp, Klaus Wohnhaas | 2004-12-14 |
| 6784571 | Electronic safety switching device and method | Roland Rupp | 2004-08-31 |
| 6778080 | Modular safety switching device system | Richard Veil, Jürgen Baur | 2004-08-17 |