Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5752319 | Cutting means removably attached to polybag to be opened | Chan-Ho Su, Yi Su | 1998-05-19 |
| 5385550 | Needle protective means for prevention against stab and virus infection | Chan-Ho Su, Yi Su | 1995-01-31 |