Issued Patents 2019
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10514157 | Whip light system | Wang Hai, Gu Wendong, Zhou Liang | 2019-12-24 |
| 10516925 | Multifunctional audio speaker system | Wang Hai, Gu Wendong, Zhou Liang | 2019-12-24 |
| 10505510 | Adjustable compact line output converter with amplifier trigger | Wang Hai, Gu Wen Dong | 2019-12-10 |
| 10297934 | Expandable blade-type distribution block | Wang Hai, Zhou Liang | 2019-05-21 |