Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6796659 | Projection display device | Paulus Bartholomeus Johannes Schaareman, Theodoor Bastiaan Johannes Haddeman | 2004-09-28 |
| 6655815 | Luminaire | Mark Fierloos, Norbert Dicken | 2003-12-02 |
| 6616307 | Luminaire | Ludovicus Johannes Lambertus Haenen | 2003-09-09 |
| 6575602 | Luminaire with a light reflecting coating | Jean Paul Entrop | 2003-06-10 |
| 6305874 | Road-marking complex and system for marking roads | Adrianus C. W. Custers, Pieter W. C. Provo Kluit, Jacob Cornelis Paul Den Dulk, Gabrielle Johanna Bernarda Maria Meekes, Wanda S. Kruijt +2 more | 2001-10-23 |
| 6092909 | Road marking unit and road marking system capable of switching from reflective state to light absorbing state | Alexander Henzen, Reinder Smid | 2000-07-25 |
| 4409517 | High-pressure discharge lamp with envelope lead-through structure | Johannes H. M. Van Der Sande, Ronald J. Campbell | 1983-10-11 |