Issued Patents 2024
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11898337 | Effort-saving flap-type drain valve | Shunxing Zhou, Rongyu Zhang, Xingdong Wang | 2024-02-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11898337 | Effort-saving flap-type drain valve | Shunxing Zhou, Rongyu Zhang, Xingdong Wang | 2024-02-13 |