Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5601351 | High-efficiency illumination device and image projection apparatus comprising such a device | — | 1997-02-11 |
| 5184248 | Image projection apparatus | Adrianus J. S. M. De Vaan | 1993-02-02 |
| 5098184 | Optical illumination system and projection apparatus comprising such a system | Wilhelmus Adrianus Gerardus Timmers | 1992-03-24 |
| 4983032 | Projection system | — | 1991-01-08 |