Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4836649 | Optical layout for a three light valve full-color projector employing a dual relay lens system and a single projection lens | Arno G. Ledebuhr | 1989-06-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4836649 | Optical layout for a three light valve full-color projector employing a dual relay lens system and a single projection lens | Arno G. Ledebuhr | 1989-06-06 |