Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11649592 | Railroad sleeper and process for manufacturing a railroad sleeper | Guilherme Longa Nose, Daniel Wenzer Trevizan, Luiz Francisco Muniz da Silva, Claudio Pereira da Silva Zamith, Walter Vidon Junior +1 more | 2023-05-16 |
| 10704204 | Railway sleeper and railway-sleeper manufacturing method | Guilherme Longa Nose, Daniel Wenzer Trevizan, Luiz Francisco Muniz da Silva, Claudio Pereira da Silva Zamith, Walter Vidon Junior +1 more | 2020-07-07 |