Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4569292 | Railway car for transporting liquids | Myrl G. Dunham | 1986-02-11 |
| 4252482 | Railway car counter-balanced tilting deck | — | 1981-02-24 |
| 4238168 | Railway car for transporting vehicles | — | 1980-12-09 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4569292 | Railway car for transporting liquids | Myrl G. Dunham | 1986-02-11 |
| 4252482 | Railway car counter-balanced tilting deck | — | 1981-02-24 |
| 4238168 | Railway car for transporting vehicles | — | 1980-12-09 |