Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5016395 | Boxcar door having balsa core sandwich construction | Stephen R. Early | 1991-05-21 |
| 4934562 | Cover construction for waste containers | Stephen R. Early, Freddie L. Selby, Edward G. Spanknoble, Orville E. Blume, Michael R. O'Hanlon | 1990-06-19 |
| 4909154 | Aerodynamic end closures for railway hopper cars | Stephen R. Early | 1990-03-20 |