Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11155285 | Optical system for a LED signal and wayside LED signal | Volker Türck | 2021-10-26 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11155285 | Optical system for a LED signal and wayside LED signal | Volker Türck | 2021-10-26 |