Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5644432 | Three prism color separator | — | 1997-07-01 |
| 5621486 | Efficient optical system for a high resolution projection display employing reflection light valves | Derek B. Dove, Rama N. Singh, Alan E. Rosenbluth, George Liang-Tai Chiu, Thomas M. Cipolla +1 more | 1997-04-15 |
| 5597222 | Optical relay lens system for projection displays | Rama N. Singh | 1997-01-28 |