Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5352245 | Process for tinting contact lens | William M. Hung | 1994-10-04 |
| 5298033 | Ultraviolet absorbing lenses and methods of manufacturing thereof | William M. Hung | 1994-03-29 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5352245 | Process for tinting contact lens | William M. Hung | 1994-10-04 |
| 5298033 | Ultraviolet absorbing lenses and methods of manufacturing thereof | William M. Hung | 1994-03-29 |