Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4213320 | Roll-forging mill | Vladimir N. Vydrin, Evgeny Berezin | 1980-07-22 |
| 4199970 | Method and mill rolls for metal bar rolling | Vladimir N. Vydrin, Evgeny Berezin, Oleg Tischenko, Grigory I. Koval | 1980-04-29 |