Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4406565 | Slidable filling dam | Wincenty Pretor, Wojciech Skoczynski, Henryk Zych, Ryszard Serwotka | 1983-09-27 |
| 4382722 | Nine lining structure | Stanislaw Romanowicz, Wojciech Skoczynski | 1983-05-10 |