Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4703890 | Components for ballast-less railroad lines laid on pre-fabricated reinforced concrete slabs | Pietro Tognoli, Gianfranco Cremaschi, Antonio Migliacci | 1987-11-03 |
| 4526739 | Process and apparatus for precasting prestressed-concrete workpieces | Antonio Migliacci, Piero Tognoli | 1985-07-02 |