Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9550487 | No-delay overlay pneumatic air brake system | Amanda Tippey, Darold Dean Tippey | 2017-01-24 |
| 9475511 | Parallel tracks design description | Sean Adams, Sung-Ho Jee | 2016-10-25 |
| 9469316 | Using wayside signals to optimize train driving under an overarching railway network safety system | Sean Adams, Sung-Ho Jee, Graham Speier Hausler, Wade Goforth | 2016-10-18 |