Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10883765 | Heat exchanger with heilical flights and tubes | Artur Hilgier, Rafal Lewandowski | 2021-01-05 |
| 10753440 | Actuator release mechanism | Marek Wit, Rafał Lewandowski, Artur Hilgier | 2020-08-25 |