Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5197845 | Conveyor system for self-unloading train | — | 1993-03-30 |
| 4925356 | Self-unloading train for bulk commodities | William B. Snead | 1990-05-15 |
| 4795301 | Low-center-of-gravity self-unloading train for bulk commodities | William B. Snead | 1989-01-03 |