Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6492976 | Multiple-wheel input device | Cheng-Liang Hsieh, Hsin-Te Tseng | 2002-12-10 |
| 6340966 | Clamping device for third-axis input device of mouse | Cheng-Liang Hsieh, Hsin-Te Tseng | 2002-01-22 |