Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9765887 | Sealing ring and preparation method thereof | Xuemin Chen, Qingdong Ye, Liping Hu, Ming Yin | 2017-09-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9765887 | Sealing ring and preparation method thereof | Xuemin Chen, Qingdong Ye, Liping Hu, Ming Yin | 2017-09-19 |