Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6614188 | High-pressure discharge lamp | Mark Josephus Lucien Maria Van Dommelen, Guido Julianus Josephus Lenaerts | 2003-09-02 |
| 4891053 | Method of manufacturing biconvex lens elements and element formed thereby | Gerrit E. Bartman, Nicodemus Hattu, Sebastiaan F. M. Trommelen | 1990-01-02 |