Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4422011 | High-pressure mercury vapor discharge lamp | Leonce M. J. Bruninx-Poesen, Lambert Christiaan Ida Kaldenhoven, Roland Lorenz, Willy J. C. Endevoets | 1983-12-20 |
| 4195253 | Method of ageing a gas discharge lamp | Walter J. R. de Rop, Robert L. M. E. Maes | 1980-03-25 |