Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5302072 | Trackside door closing device for railway hopper cars | Rick J. Stauffer, Lyle W. Burr | 1994-04-12 |
| 4754710 | Railway car for carrying freight such as coal or the like | — | 1988-07-05 |