Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6244708 | Contact lenses providing improved visual acuity | Ian G. Cox, Graham W. Biddle, Timothy L. Comstock, Kevin Jacob DeRyke | 2001-06-12 |
| 6113236 | Toric contact lenses | Paul Erickson | 2000-09-05 |
| 6099121 | Contact lens design | Ian G. Cox | 2000-08-08 |
| 5815239 | Contact lenses providing improved visual acuity | Ian G. Cox, Graham W. Biddle, Timothy L. Comstock, Kevin Jacob DeRyke | 1998-09-29 |