Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6632003 | Signal apparatus | Steffen Rudischhauser, Reinhard Mordau | 2003-10-14 |
| 6572242 | Illuminator for a signal lamp | Siegfried Neumann, Juergen Marquardt, Dirk Rothhaas | 2003-06-03 |
| 5952915 | Signal pillar | Udo Goetz | 1999-09-14 |
| 4447687 | Pushbutton switch | Ekkehard Sachs | 1984-05-08 |