Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4357941 | Instrument for marking out the central optical zone of the cornea | Svyatoslav N. Fedorov, Valery V. Durnev, deceased, by Tamara S. Durneva, administratrix | 1982-11-09 |