Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12384436 | Device and method for detecting an obstruction of a railroad crossing gate | Paul D. Young | 2025-08-12 |
| 11724722 | Attachment mounting apparatus for a railroad coupler | Zhenzhong Long | 2023-08-15 |
| 11584409 | Railroad color light signals including wind reduction elements | Zhenzhong Long | 2023-02-21 |
| 11300145 | Periodic unsteadiness generator | Christopher R Marks | 2022-04-12 |