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, V. Terrey Hawthorne +3 more | 2002-09-10 |
| 6357612 | Rail car cushioning device and method for positioning same | Julius I. Perchets, Mark P. Scott | 2002-03-19 |