Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8127688 | Dual stage railroad hopper car door actuating mechanism | — | 2012-03-06 |
| 5927522 | Tightlock coupler locklift assembly | — | 1999-07-27 |
| 5924366 | Side frame pedestal roof with rocker seats | Kenneth W. Trainer | 1999-07-20 |