Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6446820 | Railcar draft gear assembly and system | Ronald E. Barker, Charles E. Burkhart, Marlin E. Clark, John F. Deppen, Horst T. Kaufhold +3 more | 2002-09-10 |
| 6371033 | High capacity integrated railway car truck | Stephen W. Smith, John W. Coulborn, Samuel R. Williams, C. Dale Christie, John D. Oliver +1 more | 2002-04-16 |