Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4237714 | Stand of cold tube-rolling mill | Petr I. Polukhin, Ivan N. Potapov, Ivan P. Gremyakov, German D. Styrkin, Mikhail A. Bitny +1 more | 1980-12-09 |
| 4184352 | Method for pilger rolling of tubes and mill for effecting same | Ivan N. Potapov, Petr I. Polukhin, Ivan P. Gremyakov, Mikhail A. Bitny, Anatoly G. Vinogradov +6 more | 1980-01-22 |