Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8065964 | Rail road hopper car ridge fittings | James W. Forbes, Tomasz Bis, William R. Davis | 2011-11-29 |
| 8047140 | Rail road hopper car structure | James W. Forbes, Tomasz Bis, William R. Davis | 2011-11-01 |
| 7866267 | Well car with cross member | — | 2011-01-11 |