Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5971541 | Correction of astigmatism using rotationally symmetric contact lenses | Frederick J. Danker | 1999-10-26 |
| 5089024 | Multi-focal intraocular lens | Bruce A. Christie, Gary L. Guenthner | 1992-02-18 |
| 4932966 | Accommodating intraocular lens | Bruce A. Christie, Brian Monroe McMaster | 1990-06-12 |
| 4752123 | Concentric bifocal contact lens with two distance power regions | — | 1988-06-21 |
| 4636049 | Concentric bifocal contact lens | — | 1987-01-13 |