Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4805539 | Well car end structure having frameless radial truck | Phillip G. Przybylinski | 1989-02-21 |
| 4741274 | Hopper door operating mechanism | Bradford Johnstone, Emmanuel L. Komasinski, Maurico F. Rosellini, William D. Stoughton | 1988-05-03 |
| 4570816 | Hatch cover and locking structure | Donald B. Yates | 1986-02-18 |
| 4295430 | Railway hopper car latch mechanism | Willis H. Knippel | 1981-10-20 |
| 4191107 | Articulated railway car | Walter J. Marulic | 1980-03-04 |