Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6289101 | Telephone receiver having a hollow portion | Chin-Shui Hung | 2001-09-11 |
| 6215887 | Thin type speaker having a secondary diaphragm | Chin-Shui Hung | 2001-04-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6289101 | Telephone receiver having a hollow portion | Chin-Shui Hung | 2001-09-11 |
| 6215887 | Thin type speaker having a secondary diaphragm | Chin-Shui Hung | 2001-04-10 |