Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4269676 | Method of winning copper and accompanying metals from sulfidic ores, post-flotation deposits and waste products in the pyrometallurgical processing of copper ores | Wlodzimierz Libus, Michal Pilarczyk, Henryk Strzelecki, Roman Pastewski, Waclaw Grzybkowski | 1981-05-26 |