Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4213400 | Resilient railway body center plate | Roger D. Sims, George L. Rousseau | 1980-07-22 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4213400 | Resilient railway body center plate | Roger D. Sims, George L. Rousseau | 1980-07-22 |