Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11346712 | Sun safety device | Norman Gray | 2022-05-31 |
| 8525409 | Efficient lamp with envelope having elliptical portions | Geza Zoltan Cseh, Peter Lajos Nagy, Laszlo Balla, Bela Mezei | 2013-09-03 |
| 8188657 | Illuminating lamp and method of making same | Geza Zoltan Cseh, Peter Lajos Nagy | 2012-05-29 |
| 7253632 | Method for qualifying joints and contacts of electric circuits | Istvan Magai | 2007-08-07 |