Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5232003 | Soft contact lens cleaner | Cheng-Yu Wei | 1993-08-03 |
| 4942744 | Self-shining artificial jewelry device | — | 1990-07-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5232003 | Soft contact lens cleaner | Cheng-Yu Wei | 1993-08-03 |
| 4942744 | Self-shining artificial jewelry device | — | 1990-07-24 |