Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4718793 | Generator for dynamic loading of a mine lining | Waclaw Warachim, Jan Debiec, Hubert Niesyto, Marek Wojtaszczyk, Edward Wlodarczyk +4 more | 1988-01-12 |
| 4406565 | Slidable filling dam | Wincenty Pretor, Edward Janik, Henryk Zych, Ryszard Serwotka | 1983-09-27 |
| 4382722 | Nine lining structure | Stanislaw Romanowicz, Edward Janik | 1983-05-10 |