Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9604698 | Bicycle cogset | Wen-Feng Tsai | 2017-03-28 |
| 9604699 | Method for manufacturing bicycle cogset | Wen-Feng Tsai | 2017-03-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9604698 | Bicycle cogset | Wen-Feng Tsai | 2017-03-28 |
| 9604699 | Method for manufacturing bicycle cogset | Wen-Feng Tsai | 2017-03-28 |