Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9536418 | Industrial field real-time working condition radio alarm system | Fei Mao, Weigang Wang, Jilong Liu | 2017-01-03 |
| D693254 | Portable gas detector | Jilong Liu, Fei Mao | 2013-11-12 |