Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7975980 | Adjustable water valve of time-controlled type | Zhihong Gao | 2011-07-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7975980 | Adjustable water valve of time-controlled type | Zhihong Gao | 2011-07-12 |