Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9925993 | Speed profiling for locomotive display and event recorder | Roger B. Lewis | 2018-03-27 |
| 9819781 | System for providing temporary speed restrictions to locomotives | John Brand, Greg Hrebek | 2017-11-14 |
| 9469316 | Using wayside signals to optimize train driving under an overarching railway network safety system | Jeffrey Scott Tippey, Sean Adams, Sung-Ho Jee, Graham Speier Hausler | 2016-10-18 |
| 8594865 | Train control system | Richard Matusiak, Folkert Horst | 2013-11-26 |