Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10376026 | Diamond with eighty-one facets having a ten hearts and ten arrows inner structure and a cutting method thereof | Feng Zhang | 2019-08-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10376026 | Diamond with eighty-one facets having a ten hearts and ten arrows inner structure and a cutting method thereof | Feng Zhang | 2019-08-13 |