Issued Patents 2003
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6664743 | Low loss operating circuit for a discharge lamp | Wilhelmus Hinderikus Maria Langeslag, Machiel Antonius Martinus Hendrix, Antonius Henricus Peterus Johannes Habraken | 2003-12-16 |
| 6628092 | Ballast and method of feeding a fluorescent lamp | Marcel Beij | 2003-09-30 |
| 6624598 | Ballast and method of feeding a fluorescent lamp | Marcel Beij | 2003-09-23 |
| 6545433 | Circuit arrangement equipped with a timer compensating lamp degradation through its service life | Marcel Beij | 2003-04-08 |
| 6538393 | Circuit arrangement | Marcel Beij | 2003-03-25 |
| 6535401 | Circuit arrangement | Marcel Beij, Everaard Marie Jozef Aendekerk, Wilhelmus Hinderikus Maria Langeslag | 2003-03-18 |