Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10246819 | Compositions and methods for reversibly dyeing soft contact lenses and medical examination therefrom | — | 2019-04-02 |
| 8702816 | Compositions and methods for reversibly dyeing soft contact lenses | — | 2014-04-22 |
| 7699812 | Safety syringe with cap holding device | — | 2010-04-20 |
| 5947780 | Apparatus for marking a spot in differing depths of water | Ronald E. Kellner | 1999-09-07 |