Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11472451 | Automated warning time inspection at railroad grade crossings on a given track route | — | 2022-10-18 |
| 11459006 | Modular lamp system for railroad crossing warning device | Brian Harp | 2022-10-04 |
| 11430318 | Electrical surge management of railway signaling equipment | Brian Harp, John Sanders | 2022-08-30 |