Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4660400 | Pilger mill stand | Ivan N. Potapov, German D. Styrkin, Alexei D. Sheikh-Ali | 1987-04-28 |
| 4237714 | Stand of cold tube-rolling mill | Petr I. Polukhin, Ivan N. Potapov, German D. Styrkin, Mikhail A. Bitny, Igor M. Raushenbakh +1 more | 1980-12-09 |
| 4184352 | Method for pilger rolling of tubes and mill for effecting same | Ivan N. Potapov, Petr I. Polukhin, Mikhail A. Bitny, Anatoly G. Vinogradov, German D. Styrkin +6 more | 1980-01-22 |