Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4733338 | Illuminator, particularly for street lighting and industrial applications | Zoltan Feher, Karoly Jermendy, Andras Szeverenyl | 1988-03-22 |
| 4678958 | High pressure sodium vapor lamp with improved color reproduction index | — | 1987-07-07 |
| 4459509 | Discharge vessel for high pressure sodium vapor lamps | Endre Oldal | 1984-07-10 |