Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6801112 | Device for switching a connection according to the state of an apparatus to be monitored, especially a safety switch | — | 2004-10-05 |
| 6680446 | Safety switch device for controlling a machine in relation to the position of monitored device | Michael Euchner, Gerhard Prirsch | 2004-01-20 |