Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33997 | Biologically stabilized compositions comprising collagen as the minor component with ethylenically unsaturated compounds used as contact lenses | Petr Kuzma | 1992-07-14 |
| 4452925 | Biologically stabilized compositions comprising collagen as the minor component with ethylenically unsaturated compounds used as contact lenses | Petr Kuzma | 1984-06-05 |
| 4388428 | Biologically stabilized compositions comprising collagen as the major component with ethylenically unsaturated compounds used as contact lenses | Petr Kuzma | 1983-06-14 |