Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8427454 | Electromagnetic pen with a multi-functions tail part | Chia-Jui Yeh | 2013-04-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8427454 | Electromagnetic pen with a multi-functions tail part | Chia-Jui Yeh | 2013-04-23 |