Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362111 | Covered hopper car | Marvin Stark | 1982-12-07 |
| 4329106 | Hopper car discharge gate operating mechanism | — | 1982-05-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362111 | Covered hopper car | Marvin Stark | 1982-12-07 |
| 4329106 | Hopper car discharge gate operating mechanism | — | 1982-05-11 |