Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11858541 | Articulated rail-transport car | Matt Combs, Tony Shirk | 2024-01-02 |
| 11548537 | Centering apparatus for hopper car doors | Nathan A. Landes, Stephen Bedingfield, Michael Staihr, David Smith, Tony Shirk +1 more | 2023-01-10 |
| 11408131 | Track-lifting and ballast-spreading apparatus | Tony Shirk, Daniel T. Marshall, Steven R. Walton, Derek DeMott | 2022-08-09 |
| 9346473 | Material transport and distribution consist with controlled gated hopper cars and conveyor systems | Stanley M. Herzog, Ivan E. Bounds | 2016-05-24 |