Issued Patents 2016
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9453808 | Multi-functional precious stone testing apparatus and method thereof | Xiuling Zhu | 2016-09-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9453808 | Multi-functional precious stone testing apparatus and method thereof | Xiuling Zhu | 2016-09-27 |