Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9359755 | Water purification and storage system, water-filtering well and polygonal building block | Shengyi Qin, Shengyuan Qin, Zhenbang Wang, Meijuan Chen | 2016-06-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9359755 | Water purification and storage system, water-filtering well and polygonal building block | Shengyi Qin, Shengyuan Qin, Zhenbang Wang, Meijuan Chen | 2016-06-07 |