Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6392768 | Dot matrix hologram with a hidden image | Sheng-Lie Yeh, Hsiu-Hung Lin | 2002-05-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6392768 | Dot matrix hologram with a hidden image | Sheng-Lie Yeh, Hsiu-Hung Lin | 2002-05-21 |