Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4923675 | Wear-resistant steel and method of its production | Leonid I. Parfenov, Alexandr I. Garost, Gennady A. Sorokin, Viktor N. Volkov, Alexandr N. Verbitsky | 1990-05-08 |
| 4855105 | Wear-resistant steel | Leonid I. Parfenov, Alexandr I. Garost, Gennady A. Sorokin, Viktor N. Volkov, Viktor A. Obiedkov +3 more | 1989-08-08 |