Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12071732 | Railway sleepers and methods thereof | Aldo Marconi Wessen Machado, Jesus Waldemar Golçalves da Silva, Walter Vidon Junior | 2024-08-27 |
| 11649592 | Railroad sleeper and process for manufacturing a railroad sleeper | Guilherme Longa Nose, Daniel Wenzer Trevizan, Luiz Francisco Muniz da Silva, Jorge Luis Goudene Spada, Claudio Pereira da Silva Zamith +1 more | 2023-05-16 |
| 10704204 | Railway sleeper and railway-sleeper manufacturing method | Guilherme Longa Nose, Daniel Wenzer Trevizan, Luiz Francisco Muniz da Silva, Jorge Luis Goudene Spada, Claudio Pereira da Silva Zamith +1 more | 2020-07-07 |