Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4836202 | Instrument for manipulating compressible intraocular lenses | — | 1989-06-06 |
| 4796623 | Corneal vacuum trephine system | John W. Berkman | 1989-01-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4836202 | Instrument for manipulating compressible intraocular lenses | — | 1989-06-06 |
| 4796623 | Corneal vacuum trephine system | John W. Berkman | 1989-01-10 |