Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11976192 | Flame retardant and fully biodegradable plastic, manufacturing method of the same, and application of the same | Yongsheng Wu, Jun Li, Yehua Liu | 2024-05-07 |
| 11473994 | Portable tester for a leakage rate of a cylinder in an automobile engine | Zhigang Wang, Tao Li | 2022-10-18 |