Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10612224 | Drain valve | Youfen Chen | 2020-04-07 |
| 9508005 | Method for warning a user about a distance between user' s eyes and a screen | Jia Xie | 2016-11-29 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10612224 | Drain valve | Youfen Chen | 2020-04-07 |
| 9508005 | Method for warning a user about a distance between user' s eyes and a screen | Jia Xie | 2016-11-29 |