Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9883917 | Skin dilator | Kerong DAI, Qingfeng Li | 2018-02-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9883917 | Skin dilator | Kerong DAI, Qingfeng Li | 2018-02-06 |