Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9695017 | Adjustable intermediate disk body of large double-layer cage and adjusting and moving method thereof | Zhencai Zhu, Gongbo Zhou, Changhua Hu, Guohua Cao, Wei Li +3 more | 2017-07-04 |