Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6832183 | Method and database arrangement for inspection and requalification of vehicles used for transporting commodities and/or hazardous materials | Timothy P. Donahue, Arthur J. Kozlowski | 2004-12-14 |
| 6769162 | Railcar maintenance process | David J. Barich, Timothy P. Donahue | 2004-08-03 |