Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6942341 | Soft translating contact lens for presbyopia | Xiaoxiao Zhang | 2005-09-13 |
| 6923540 | Toric multifocal contact lenses | Joseph Michael Lindacher | 2005-08-02 |
| 6921168 | Translating contact lens having a ramped ridge | Joseph Michael Lindacher, Jordan Hall | 2005-07-26 |
| 6883915 | Contact lenses with off-center sphere surface | Curtis Dean McKenney | 2005-04-26 |
| 6773107 | Soft translating contact lens for presbyopia | Xiaoxiao Zhang | 2004-08-10 |
| 6695449 | Lens design to enhance vision quality | — | 2004-02-24 |