Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884570 | Device for retaining a disc obtained from a human cornea | Norbert Quast | 1989-12-05 |
| 4865033 | Device for holding a cornea taken from a donated eye | Lee Nordan | 1989-09-12 |
| 4844060 | Fixation ring for radial keratotomy | — | 1989-07-04 |