Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4550665 | Bottom discharge hopper structures | — | 1985-11-05 |
| 4531469 | Vessel comprising two pivotably connected hull sections | — | 1985-07-30 |
| 4353312 | Bottom discharge hopper rail car | — | 1982-10-12 |
| 4351243 | Pivoted railway hopper car door latch | — | 1982-09-28 |
| 4337707 | Railway hopper car bogie | — | 1982-07-06 |