Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9790675 | Double flow control mechanism of a soft touch drain valve and a double flow control method thereof | Haibin Chen, Rongyu Zhang, Zhijun Zhong | 2017-10-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9790675 | Double flow control mechanism of a soft touch drain valve and a double flow control method thereof | Haibin Chen, Rongyu Zhang, Zhijun Zhong | 2017-10-17 |