Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6243152 | Contrast polymer dispersed liquid crystal projection display system | Richard M. Knox | 2001-06-05 |
| 5868480 | Image projection apparatus for producing an image supplied by parallel transmitted colored light | — | 1999-02-09 |