Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12193419 | Water filter for an aquarium | Janusz Jankiewicz, Jerzy Brzeski | 2025-01-14 |
| 11684048 | Water filter for an aquarium | Janusz Jankiewicz, Jerzy Brzeski, Marcin Sienkiewicz, Piotr Jankowski | 2023-06-27 |