Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7934838 | Projector and heat insulating device thereof | Chin-Tsao Chang | 2011-05-03 |
| 6791838 | Flexible assembly system and mechanism adapted for an optical projection apparatus | Min-Hsiung Hung, Yin-Fa Tu | 2004-09-14 |