Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE48307 | System and method for early train detection | Fredrik Lingvall | 2020-11-17 |
| 9327744 | System and method for early train detection | Fredrik Lingvall, Richard Aaroe, Torsten Amundsen, Orjan Sommerseth | 2016-05-03 |
| 9067608 | System and method for early train detection | Fredrik Lingvall | 2015-06-30 |