Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4184853 | Individual abrasive grains with a silicon-base alloy coating | Petr P. Otopkov, Alla V. Nozhkina, Valery I. Kostikov, Jury I. Andropov, Anna Y. Pesina +1 more | 1980-01-22 |