Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11724724 | System for controlling vital wayside devices of a railway network, and vital switch for such vital devices | Nicholas David Nagrodsky, James Frisbie, Richard Lawson | 2023-08-15 |
| 11702119 | Method for determining a status of a track section of a railroad; associated apparatus and non-transitory computer readable medium | Jeffrey Michael Fries, Richard Lee Lawson, Shawn Clark, John Ross | 2023-07-18 |