Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4930427 | Railroad gondola or hopper car, particularly a coal car | John Alan Ritter, Jozes A. Muda | 1990-06-05 |
| 4840127 | Top chord for open top hopper cars | — | 1989-06-20 |
| 4800820 | Side sill arrangement for a gondola-type railroad car | — | 1989-01-31 |