Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7943872 | Command device with switching element monitoring | — | 2011-05-17 |
| 7781687 | Control unit with a monitoring apparatus | Rudolf Zimmermann | 2010-08-24 |
| 7605337 | System | Rudolf Zimmermann | 2009-10-20 |
| 7351924 | Key switch with a device for key monitoring | Ralf Tomaschek, Rudolf Zimmermann | 2008-04-01 |