Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11548588 | Effort-saving crank structure and assembly of bicycle | Chun-Cheng Lee | 2023-01-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11548588 | Effort-saving crank structure and assembly of bicycle | Chun-Cheng Lee | 2023-01-10 |