Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4690072 | Railway car body structural arrangement | Phillip G. Przybylinski, Joe B. Raidt | 1987-09-01 |
| 4573594 | Railway car underframe adapted for use with couple or drawbar construction | Robert J. Kunst, Gerald F. Lahey | 1986-03-04 |