Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7896179 | Knuckle pin for railway vehicle coupler | — | 2011-03-01 |
| 6357613 | Non-rotating draft key retainer | Ronald L. Hanaway, William C. Vandye, Gary M. Marsh | 2002-03-19 |
| 5865416 | Security tie down | — | 1999-02-02 |