Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6157132 | Discharge lamp emission material | Jack M. Strok, Istvan Csanyi | 2000-12-05 |
| 4912364 | Three-phase high-pressure gas discharge lamp filled with a gas containing sodium or a metal-halide | Sandor Istvan Hollo, Zsolt Marton, Janos Szanto | 1990-03-27 |
| 4843266 | Metal-halogen discharge lamp with conically shaped insulating elements in outer envelope | Janos Szanto, Sandor Istvan Hollo, Ferenc Nagel | 1989-06-27 |