Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11168446 | Rail fastening apparatus | Brent Duffner, Bradley Smith, Derek Cameron | 2021-11-09 |
| D910487 | Railroad tie | Matt Moore, Brent Duffner, Bradley Smith, Derek Cameron | 2021-02-16 |