Issued Patents 2003
Showing 1–2 of 2 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 |