Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9329236 | Device and method for monitoring an integrity of a series-connection of a plurality of switches | — | 2016-05-03 |
| 8461990 | Device for monitoring a space by series-connected normally-open contacts, in particular cover interlock switches in a security enclosure | — | 2013-06-11 |
| 8325067 | Security keyboard | Ottmar Möller, Torsten Ide, Thomas Wahl | 2012-12-04 |