Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11151892 | Internet teaching platform-based following teaching system | Shanguo LIU, Shengqiang Liu | 2021-10-19 |
| 10497273 | Method and system for recording and playback of web-based instructions | Jia Liu | 2019-12-03 |