DW

DeWayne B. Williams

WN Wabash National: 4 patents #4 of 6Top 70%
VT Vanguard National Trailer: 2 patents #3 of 5Top 60%
DC Detroit Steel Products Co.: 1 patents #2 of 4Top 50%
WT Wabash Technology: 1 patents #5 of 7Top 75%
📍 Kewanna, IN: #1 of 5 inventorsTop 20%
🗺 Indiana: #4,098 of 33,936 inventorsTop 15%
Overall (All Time): #562,956 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
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