Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8730409 | Projection system and method of curved film | Ming Li, Zhigang Rong, Liang Ding, Tao Cui | 2014-05-20 |
| 8154586 | Projection system and method of curved film | Ming Li, Zhigang Rong, Liang Ding, Tao Cui | 2012-04-10 |