Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10021950 | Curling hammer and operating principle thereof | Yong Li, Wenfei Xie | 2018-07-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10021950 | Curling hammer and operating principle thereof | Yong Li, Wenfei Xie | 2018-07-17 |