Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4240667 | Driving gear rack cleaner for a mining machine | Janusz Sedlaczek, Andrzej Blazewicz, Marian Krutki, Kazimierz Mandat | 1980-12-23 |
| 4240668 | Driving device for mining machine | Janusz Sedlaczek, Andrzej Blazewicz, Marian Krutki, Kazimierz Mandat | 1980-12-23 |
| 4234234 | Driving device for a mining machine | Janusz Sedlaczek, Andrzej Blazewicz, Jacek Cyrulo, Marian Krutki | 1980-11-18 |