Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11733728 | Speed regulating hand brake mechanism and method for speed regulation of same | Chengwen Hu | 2023-08-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11733728 | Speed regulating hand brake mechanism and method for speed regulation of same | Chengwen Hu | 2023-08-22 |