Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10625651 | End dump trailer and modular extrusions therefor | Gregory L. Hicks, John D. McKenney | 2020-04-21 |
| 7704026 | Composite panel trailer sidewall with additional logistics slots | Mark Roush | 2010-04-27 |
| 7152912 | Composite panel trailer sidewall construction | Mark Roush | 2006-12-26 |
| 6338513 | Multi-component lifting assembly for a container | — | 2002-01-15 |
| 5832836 | Modular articulated railcar | Donald J. Ehrlich, Rodney P. Ehrlich, Francis S. Smidler | 1998-11-10 |
| 5685228 | Bi-tri-level deck system for a railcar | Donald J. Ehrlich, Rodney P. Ehrlich, Francis S. Smidler | 1997-11-11 |
| 5622115 | Modular articulated railcar | Donald J. Ehrlich, Rodney P. Ehrlich, Francis S. Smidler | 1997-04-22 |
| 5601033 | Door structure for a railcar in an articulated train | Donald J. Ehrlich, Rodney P. Ehrlich, Francis S. Smidler | 1997-02-11 |
| 5209518 | Dual-stage tapered leaf spring for a trailer | Mark A. Heckenliable, Robert J. Dooley | 1993-05-11 |