Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4749914 | Circuit system for igniting and operating a high-pressure discharge lamp, particularly a sodium vapor lamp | Zoltan Feher, Arpad Karpat, Janos Melis, Rudolf Sirato, Bela Waldinger | 1988-06-07 |