Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D874627 | Air treatment device | Andrzej Olszewski | 2020-02-04 |
| D873399 | Air treatment device | Andrzej Olszewski | 2020-01-21 |
| D873400 | Air treatment device | Andrzej Olszewski | 2020-01-21 |