Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5658062 | Light amount controlling apparatus and method for projector | Nam Su Lee, Myung-Keun Yeo, Sang Jae Lee | 1997-08-19 |
| 5636912 | Liquid crystal projector | Nam Su Lee, Myung-Keun Yeo, Sang Jae Lee | 1997-06-10 |