Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6832558 | Riding rail tie plugging apparatus | Robert M. Weber, Donald Christopher Noll, Leary C. Peterson | 2004-12-21 |
| 6755135 | Combined tie extractor and plate remover for rail maintenance | William D. Straub, Bruce M. Boczkiewicz | 2004-06-29 |