Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9102380 | Bicycle driven by hands | Yau Cheung Kwok | 2015-08-11 |
| 8505703 | Eccentric gearing type clutch | Yau Cheung Kwok | 2013-08-13 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9102380 | Bicycle driven by hands | Yau Cheung Kwok | 2015-08-11 |
| 8505703 | Eccentric gearing type clutch | Yau Cheung Kwok | 2013-08-13 |