Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11702117 | Stub sill assemblies | Spencer Ashie-Winns, Mathew Curtis, Gregory J. Saxton | 2023-07-18 |
| 9789882 | Door sealing assembly for a railcar and method of assembling the same | Roger Dalske, Spencer Ashie-Winns, John Birkmann | 2017-10-17 |