Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11148868 | Case and a method for protecting a pearl, and an apparatus for encasing a pearl | Qihui Zhou | 2021-10-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11148868 | Case and a method for protecting a pearl, and an apparatus for encasing a pearl | Qihui Zhou | 2021-10-19 |