Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9593398 | Hardened cobalt based alloy jewelry and related methods | Zhou Yansheng | 2017-03-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9593398 | Hardened cobalt based alloy jewelry and related methods | Zhou Yansheng | 2017-03-14 |