Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10874494 | Multi-functional visual electric toothbrush | — | 2020-12-29 |
| 10646314 | Interdental brush | — | 2020-05-12 |
| 10603206 | Lateral pharyngeal wall tractor and implantation method | Xiangmin Zhang | 2020-03-31 |
| 10568660 | Radial sealing assembly, end sealing piece and trocar | — | 2020-02-25 |