Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8047806 | Jet well pump | Yuanmin Liang, Dongxian Liang | 2011-11-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8047806 | Jet well pump | Yuanmin Liang, Dongxian Liang | 2011-11-01 |