Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6572082 | Railway boxcar door operating unit | Thomas E. Dixon, James Brosh, Brian Campbell, Richard R. Estep | 2003-06-03 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6572082 | Railway boxcar door operating unit | Thomas E. Dixon, James Brosh, Brian Campbell, Richard R. Estep | 2003-06-03 |