Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5264161 | Method of using surfactants as contact lens processing aids | Robert J. Druskis, Dennis Hahn | 1993-11-23 |
| 5079878 | Soft contact lens processing aid | Robert J. Druskis | 1992-01-14 |