Issued Patents 2024
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12104331 | Saborage-resistant switch device for moving railroad switch points | Dilson dos Santos Rodrigues | 2024-10-01 |
| 12091071 | High-speed railway switch device for moving railroad switch points | Dilson dos Santos Rodrigues | 2024-09-17 |