Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11103745 | Exercise disc for strengthening the fingers | — | 2021-08-31 |
| 11042542 | Method and apparatus for providing aggregate result of question-and-answer information | Hui Guo, Xiangying Dai, Yu Luo, Liang Chen | 2021-06-22 |