Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6491456 | Keyboard thin film circuit board with trenches to release air from hollow rubber domes | Sheng-Fang Shih | 2002-12-10 |
| 6388219 | Computer keyboard key device made from a rigid printed circuit board | Pin-Chien Liao | 2002-05-14 |