Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11187919 | Temple assembly for spectacles and the spectacles | Xindong Jiang | 2021-11-30 |
| 11155512 | Method and system for refining long chain dicarboxylic acid | Chen Yang, Bingbing Qin, Kai Wang, Xiucai Liu | 2021-10-26 |