Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9200513 | Method for mounting a ranging arm on a body of a longwall shearer loader | Ryszard Bednarz, Pawel Gwiaździński, Marek Olszański | 2015-12-01 |
| 8708136 | Drive transmission method in a longwall shearer loader | Ryszard Bednarz, Pawel Gwiaździński, Mateusz Golabek | 2014-04-29 |