Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5719465 | Low pressure mercury vapor discharge lamp | Peter M. Den Breeijen, Franciscus A. S. Ligthart | 1998-02-17 |
| 5675214 | Low-pressure discharge lamp having hollow electrodes | Andreas S. G. Geven, Jeroen Langevoort, Henricus Lambertus Antonius Adrianus Vogels, Hui-Meng Chow | 1997-10-07 |
| 4704562 | Electrodeless metal vapor discharge lamp with minimized electrical interference | Pieter Postma | 1987-11-03 |