Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |