Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6219987 | Endcaps for fiberglass running boards | Robert S. Trent | 2001-04-24 |
| 6206214 | Non-metallic coupler carrier wear plate for a railcar | Todd J. de Koning | 2001-03-27 |
| 6068146 | Universal coupler carrier wear plate | Robert S. Trent, Todd J. de Koning | 2000-05-30 |
| 5176268 | Railroad car draft system assembly having improved wear life | — | 1993-01-05 |