Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5685228 | Bi-tri-level deck system for a railcar | Rodney P. Ehrlich, Francis S. Smidler, DeWayne B. Williams | 1997-11-11 |
| 5622115 | Modular articulated railcar | Rodney P. Ehrlich, Francis S. Smidler, DeWayne B. Williams | 1997-04-22 |
| 5601033 | Door structure for a railcar in an articulated train | Rodney P. Ehrlich, Francis S. Smidler, DeWayne B. Williams | 1997-02-11 |