Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5605282 | Tire railroad ties | — | 1997-02-25 |
| 4925356 | Self-unloading train for bulk commodities | Edwin D. Snead | 1990-05-15 |
| 4795301 | Low-center-of-gravity self-unloading train for bulk commodities | Edwin D. Snead | 1989-01-03 |