Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861240 | Centrifugal pump for electric household appliances such as washing machines, dishwashers and the like | Elio Marioni | 1989-08-29 |
| 4820410 | Filter device, particularly for aquariums | — | 1989-04-11 |