Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6300729 | Metal halide lamp with increased lamp voltage | Robertus A. J. Keijser, Hannelore Marie Lea Elise Herremans | 2001-10-09 |
| 4651056 | High-pressure discharge lamp | Andre J. B. M. Van Herck | 1987-03-17 |