Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9781906 | Method for constructing cage body of tapered cage assembled in rigid-flexible manner | Jiangao Shi, Yongli Liu | 2017-10-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9781906 | Method for constructing cage body of tapered cage assembled in rigid-flexible manner | Jiangao Shi, Yongli Liu | 2017-10-10 |