Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4440089 | Railway track ballast tamping device | Yvan Deliyski | 1984-04-03 |
| 4430813 | Railroad track relaying machine comprising a plough | Sergio Valditerra, Jaime Berga | 1984-02-14 |