Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4487049 | Working mandrel and method of rolling elongate hollow pieces in a multi-stand continuous mill on same working mandrel | Valentin N. Danchenko, Alexandr A. Zayats, Ivan N. Potapov, Sergei P. Kutsenko | 1984-12-11 |