Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4263796 | Vacuum roll mill stand | Vladimir N. Vydrin, Alexandr V. Krupin, Leonid A. Barkov, Vyacheslav Nikolaevich Chernyshev, Jury L. Zarapin +4 more | 1981-04-28 |
| 4244204 | Mill stand | Vladimir N. Vydrin, Leonid A. Barkov, Pavel M. Sychev, Sergei I. Dolgov, Dmitry S. Novikov +4 more | 1981-01-13 |
| 4229961 | Continuous mill | Vladimir N. Vydrin, Leonid A. Barkov, Vladimir S. Sysoev | 1980-10-28 |
| 4198841 | Roll mill stand | Vladimir N. Vydrin, Leonid A. Barkov, Vladimir Anatolievich Matveev, Pulat S. Maxudov, Nikolai Sergeev +4 more | 1980-04-22 |
| 4192165 | Roll mill stand | Vladimir N. Vydrin, Leonid A. Barkov, Sergei I. Dolgov, Vladimir S. Sysoev | 1980-03-11 |