Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5675214 | Low-pressure discharge lamp having hollow electrodes | Andreas S. G. Geven, Henricus Lambertus Antonius Adrianus Vogels, Patricius W. M. Lepelaars, Hui-Meng Chow | 1997-10-07 |