Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11389271 | Nickel-titanium file root canal preparation instrument | Yanfeng Li, Yihe Li, Yuan Lv, Guangquan Chai, Huanyue Liu +1 more | 2022-07-19 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11389271 | Nickel-titanium file root canal preparation instrument | Yanfeng Li, Yihe Li, Yuan Lv, Guangquan Chai, Huanyue Liu +1 more | 2022-07-19 |