Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4735976 | Protective overcoat for photographic elements | David J. Steklenski | 1988-04-05 |
| 4612279 | Protective overcoat for photographic elements | David J. Steklenski | 1986-09-16 |
| 4260725 | Hydrophilic contact lens made from polysiloxanes which are thermally bonded to polymerizable groups and which contain hydrophilic sidechains | Jay F. Kunzler, Gregory C. Niu | 1981-04-07 |
| 4259467 | Hydrophilic contact lens made from polysiloxanes containing hydrophilic sidechains | Jay F. Kunzler, Gregory C. Niu | 1981-03-31 |