Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6491456 | Keyboard thin film circuit board with trenches to release air from hollow rubber domes | Chien-Shih Hsu | 2002-12-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6491456 | Keyboard thin film circuit board with trenches to release air from hollow rubber domes | Chien-Shih Hsu | 2002-12-10 |