Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10495197 | Continuously variable transmission ring driving mechanism | — | 2019-12-03 |
| 10190663 | Linear gear shift mechanism | Ching-Chung Teng | 2019-01-29 |
| 10167052 | Linear gear shift mechanism for chainless vehicle | Ching-Chung Teng | 2019-01-01 |