Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7863780 | Safety switching device and method for monitoring a hazardous area defined by motor-driven components | Georg Plasberg, Heike Haarmann, Martin Wuestefeld, Claus Melder | 2011-01-04 |