Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE37056 | Temperature compensated color LCD projector | Ingrin E. J. R. Heynderickx, Peter E. Wierenga | 2001-02-20 |
| 5820241 | Beam-combining device and color image projection apparatus provided with such a device | — | 1998-10-13 |
| 5562334 | Beam-combining device and color image projection apparatus provided with such a device | — | 1996-10-08 |
| 5253074 | Temperature compensated color LCD projector | Ingrid E. J. R. Heynderickx, Peter E. Wierenga | 1993-10-12 |
| 4767191 | Display cell | Hendrik Adrianus Van Sprang, Henricus G. Koopman | 1988-08-30 |