Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5277128 | Railcar gravity multi-ply outlet seal for sliding doors | — | 1994-01-11 |
| 4368927 | Hand brake release apparatus | Robert Billingsley, Steven L. Jantzen | 1983-01-18 |
| 4368928 | Inertial hand brake release apparatus | Robert Billingsley, Steven L. Jantzen | 1983-01-18 |
| 4207822 | Hopper car outlet gate assembly | Thomas B. Baker | 1980-06-17 |