Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11518476 | Multi-speed hub gear | Hsing-Yang Su | 2022-12-06 |
| 11389702 | Apparatus and method for marking a ball center of gravity position | Chia-Cheng Wu, Chih-Sheng Tseng | 2022-07-19 |