Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5794477 | Alternative mono-direction and dual-direction transmission apparatus | — | 1998-08-18 |
| 4895339 | Detachable swivelling structure | Chen-Kuo Yang | 1990-01-23 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5794477 | Alternative mono-direction and dual-direction transmission apparatus | — | 1998-08-18 |
| 4895339 | Detachable swivelling structure | Chen-Kuo Yang | 1990-01-23 |