Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6132735 | Enzyme-orthokeratology | Charles May, Hampar L. Karageozian | 2000-10-17 |
| 5788957 | Enzyme-orthokeratology | — | 1998-08-04 |
| 5626865 | Enzyme-orthokeratology | Charles May, Hampar L. Karageozian | 1997-05-06 |
| 5270051 | Enzyme-orthokeratology | — | 1993-12-14 |