Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D548818 | Cut-off valve | Zhongbo FENG, Xuguang Huang | 2007-08-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D548818 | Cut-off valve | Zhongbo FENG, Xuguang Huang | 2007-08-14 |