Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4836711 | Hinge-assembly, particularly for underwater mounting | Paolo Montanari | 1989-06-06 |
| 4826357 | Device for the internal occlusion of tubular foundation piles | Roberto Fabbri | 1989-05-02 |