Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4257649 | Coal combine | Janusz Sedlaczek, Kornel Olender | 1981-03-24 |
| 4240667 | Driving gear rack cleaner for a mining machine | Janusz Sedlaczek, Andrzej Blazewicz, Kazimierz Mandat, Tadeusz Wozniak | 1980-12-23 |
| 4240668 | Driving device for mining machine | Janusz Sedlaczek, Andrzej Blazewicz, Kazimierz Mandat, Tadeusz Wozniak | 1980-12-23 |
| 4234234 | Driving device for a mining machine | Janusz Sedlaczek, Andrzej Blazewicz, Jacek Cyrulo, Tadeusz Wozniak | 1980-11-18 |