Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8636236 | Method for producing pearl powder through levigation and rolling porcelain balls | — | 2014-01-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8636236 | Method for producing pearl powder through levigation and rolling porcelain balls | — | 2014-01-28 |