Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6492948 | Antenna base | Ching-Chiang Yu | 2002-12-10 |
| 6420641 | Multimedia keyboard with instrument playing device | — | 2002-07-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6492948 | Antenna base | Ching-Chiang Yu | 2002-12-10 |
| 6420641 | Multimedia keyboard with instrument playing device | — | 2002-07-16 |