Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878074 | Dynamic particulate observation apparatus | — | 1989-10-31 |
| 4852854 | Electromagnetic permeable-shell-free diaphragm valve | Shih-Lien Fu | 1989-08-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878074 | Dynamic particulate observation apparatus | — | 1989-10-31 |
| 4852854 | Electromagnetic permeable-shell-free diaphragm valve | Shih-Lien Fu | 1989-08-01 |