Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4912364 | Three-phase high-pressure gas discharge lamp filled with a gas containing sodium or a metal-halide | Sandor Istvan Hollo, Zsolt Marton, Balazs Nyiri | 1990-03-27 |
| 4843266 | Metal-halogen discharge lamp with conically shaped insulating elements in outer envelope | Sandor Istvan Hollo, Balazs Nyiri, Ferenc Nagel | 1989-06-27 |