Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5931541 | Drive mechanism for a combined cutter loader | Kazimierz Pietrzyk, Jozef Knyc, Konrad Wowro | 1999-08-03 |
| 4240667 | Driving gear rack cleaner for a mining machine | Janusz Sedlaczek, Marian Krutki, Kazimierz Mandat, Tadeusz Wozniak | 1980-12-23 |
| 4240668 | Driving device for mining machine | Janusz Sedlaczek, Marian Krutki, Kazimierz Mandat, Tadeusz Wozniak | 1980-12-23 |
| 4234234 | Driving device for a mining machine | Janusz Sedlaczek, Jacek Cyrulo, Marian Krutki, Tadeusz Wozniak | 1980-11-18 |
| 4218095 | Mining unit of coal combines | Zygmunt Jaromin, Boleslaw Szymczyk, Klemens Pilarski | 1980-08-19 |