Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11116682 | Apparatus for evaluating standing-aid training | Ning An | 2021-09-14 |
| 10085906 | Medical apparatus for standing aid | Ping Zhao, Jiaoyun Yang, Lihong Zhu, Liang Zhang, Ning An +3 more | 2018-10-02 |