Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6722287 | Roof assembly and airflow management system for a temperature controlled railway car | Allen E. Norton, William A. Knapp, Alex Hoover, Ronald Zupancich, James Sommer | 2004-04-20 |
| 6704991 | Method for forming a railway car with improved crosstie connections | John W. Coulborn, Don Nguyen | 2004-03-16 |
| 6700396 | Integrated micromachine relay for automated test equipment applications | William R. Creek | 2004-03-02 |
| 6694889 | Siphon drainpipe system and method for a railway tank car | Wade Woodall | 2004-02-24 |