Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6446820 | Railcar draft gear assembly and system | Ronald E. Barker, Marlin E. Clark, John F. Deppen, V. Terrey Hawthorne, Horst T. Kaufhold +3 more | 2002-09-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6446820 | Railcar draft gear assembly and system | Ronald E. Barker, Marlin E. Clark, John F. Deppen, V. Terrey Hawthorne, Horst T. Kaufhold +3 more | 2002-09-10 |