Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6876313 | Rotary knob structure | Chi-Jen Hsueh | 2005-04-05 |
| 6653586 | Key structure | Chi-Jen Hsueh | 2003-11-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6876313 | Rotary knob structure | Chi-Jen Hsueh | 2005-04-05 |
| 6653586 | Key structure | Chi-Jen Hsueh | 2003-11-25 |