Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7264383 | Lighting element with a light emitting device | Wolfgang Helbach, Dirk-Achim Schevardo | 2007-09-04 |
| 6520666 | Apparatus for lighting spaces, bodies or surfaces | Wolfgang Beyerlein | 2003-02-18 |
| 6106140 | Lighting arrangement for freight compartments | Otmar Kruppa | 2000-08-22 |
| 4950922 | Electrical switch | — | 1990-08-21 |
| 4795357 | Lamp holder for fluorescent lamps | Joachim Kosmol | 1989-01-03 |