Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4276088 | Composition for diffusion coating of ferrous metals | Nikolai M. Davydenko, Olga K. Yakshina, Nina F. Pershina, Valentina D. Demyanenko, Jury M. Pavlov | 1981-06-30 |
| 4256490 | Composition for diffusion coating of ferrous metals | Ivan D. Zaitsev, Olga K. Yakshina, Nina F. Pershina, Anatoly K. Gorbachev, Ivan N. Gladky +2 more | 1981-03-17 |