Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7226161 | Eyeglass device | David Chao, Pin-Yu Chou, Chien-Ho Lin | 2007-06-05 |
| 6974226 | Magnetically attachable light assembly for glasses | — | 2005-12-13 |
| 6325632 | Computer-aided learning method and systems matching students with instructors | David Chao, Peter P. Tong | 2001-12-04 |