Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852854 | Electromagnetic permeable-shell-free diaphragm valve | Yu-Yin Peng | 1989-08-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852854 | Electromagnetic permeable-shell-free diaphragm valve | Yu-Yin Peng | 1989-08-01 |