Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6755135 | Combined tie extractor and plate remover for rail maintenance | David Johnsen, Bruce M. Boczkiewicz | 2004-06-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6755135 | Combined tie extractor and plate remover for rail maintenance | David Johnsen, Bruce M. Boczkiewicz | 2004-06-29 |