Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5584252 | Railway freight car | Stephen W. Smith | 1996-12-17 |
| 4212252 | Gondola-type railway car | James D. Hart | 1980-07-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5584252 | Railway freight car | Stephen W. Smith | 1996-12-17 |
| 4212252 | Gondola-type railway car | James D. Hart | 1980-07-15 |