Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6443217 | Apparatus for producing cast metal articles and process | — | 2002-09-03 |
| 6132735 | Enzyme-orthokeratology | Donald H. Harris, Hampar L. Karageozian | 2000-10-17 |
| 5626865 | Enzyme-orthokeratology | Donald H. Harris, Hampar L. Karageozian | 1997-05-06 |