Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6749313 | Plate-type luminaire | Alexander Ludwig, Rudolf Rieger | 2004-06-15 |
| 6513942 | Luminaire | Alexander Ludwig, Rudolf Rieger | 2003-02-04 |
| 4204184 | Fuse-element for electric fuses | Arpad Karpat, Janos Melis, Zoltan Szemerey | 1980-05-20 |