Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5852905 | Method for manufacturing a composite girder and so manufactured girder | Vincenzo Collina, Gian Luca Guerrini, Luigi Cassar | 1998-12-29 |
| 4703890 | Components for ballast-less railroad lines laid on pre-fabricated reinforced concrete slabs | Pietro Tognoli, Gianfranco Cremaschi, Giancarlo Bono | 1987-11-03 |
| 4526739 | Process and apparatus for precasting prestressed-concrete workpieces | Giancarlo Bono, Piero Tognoli | 1985-07-02 |