Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12359377 | Switch point roller assembly | Thomas Bostany, Eric Chandler Gray, Adam Patrick Karnes-Aceves, Brent Duffner | 2025-07-15 |
| 11168446 | Rail fastening apparatus | Brent Duffner, Gary Click, Derek Cameron | 2021-11-09 |
| D910487 | Railroad tie | Gary Click, Matt Moore, Brent Duffner, Derek Cameron | 2021-02-16 |
| 10400397 | Boltless rail brace | Gary Click, Brent Duffner, Derek Cameron | 2019-09-03 |
| 9290192 | Spring wing controller | Gary Click, Brent Duffner, Martin Webb | 2016-03-22 |