Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11021180 | Railway road crossing warning system with sensing system electrically-decoupled from railroad track | Brian Harp, Holger Schmidt, Stefan Fritschi | 2021-06-01 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11021180 | Railway road crossing warning system with sensing system electrically-decoupled from railroad track | Brian Harp, Holger Schmidt, Stefan Fritschi | 2021-06-01 |