Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6722287 | Roof assembly and airflow management system for a temperature controlled railway car | Stephen W. Smith, William A. Knapp, Alex Hoover, Ronald Zupancich, James Sommer | 2004-04-20 |