Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8955541 | Disc assembly with branch hole for fluid flow control device | Han Yunxia, Zhang Qin | 2015-02-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8955541 | Disc assembly with branch hole for fluid flow control device | Han Yunxia, Zhang Qin | 2015-02-17 |