Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7948391 | Signaling device for a safety circuit | Jürgen Pullmann, Günter Hornung, Jürgen Fleiner | 2011-05-24 |
| 7898118 | Safety switching apparatus and method for safely switching an electrical load on and off | Thomas Nitsche, Udo Ratey | 2011-03-01 |