Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5009388 | Magnetic-controlled valve for fluid pipelines | Gan Jing, Que Bing-huang | 1991-04-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5009388 | Magnetic-controlled valve for fluid pipelines | Gan Jing, Que Bing-huang | 1991-04-23 |