Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9970484 | Curved trench ball bearing | Kangquan Guo, Nuo Shi, Guisheng Guo, Yaohua Hu, Haixia Lu +1 more | 2018-05-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9970484 | Curved trench ball bearing | Kangquan Guo, Nuo Shi, Guisheng Guo, Yaohua Hu, Haixia Lu +1 more | 2018-05-15 |