Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4567970 | Device for eliminating idling rattle in a vehicle gearbox | Grzegorz Janiszewski | 1986-02-04 |
| 4485905 | Centrifugal friction clutch for motor vehicles with three position of operation | Grzegorz Janiszewski | 1984-12-04 |