Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5310429 | Contact lens cleaning method | Edward J. Ellis | 1994-05-10 |
| 5190594 | Contact lens cleaning material and method | Edward J. Ellis | 1993-03-02 |
| 5089053 | Contact lens cleaning material and method | Edward J. Ellis | 1992-02-18 |