Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6233806 | Method of removing and changing brake shoes | Norman G. Anderson, Anthony R. Hiatt | 2001-05-22 |
| 5546869 | Lightweight railcar truck sideframe with increased resistance to lateral twisting | — | 1996-08-20 |
| 5461987 | Side arm structure of a steering arm assembly having an undercut radius | — | 1995-10-31 |
| 5410968 | Lightweight fatigue resistant railcar truck sideframe with tapering I-beam construction | V. Terrey Hawthorne, Donald J. Marlborough | 1995-05-02 |