Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8212431 | Safety switching apparatus | Thomas Nitsche, Boris Kaufmann, Rolf Dickhoff | 2012-07-03 |
| 7948121 | Safety switching apparatus | Thomas Nitsche, Boris Kaufmann, Rolf Dickhoff | 2011-05-24 |