Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10221839 | Control valve for pouring color paste in both large amount and small amount | Song Huang | 2019-03-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10221839 | Control valve for pouring color paste in both large amount and small amount | Song Huang | 2019-03-05 |