Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11041224 | Portable multi-azimuth ultrasonic-assisted vibration rolling device and application method thereof | Guofu Gao, Zhaojie Yuan, Yi-Chen Wang, Bo Zhao, Yongqin Wang | 2021-06-22 |