WT

W. Matthew Tonn

ZE Zeftek: 1 patents #7 of 8Top 90%
Overall (All Time): #3,490,447 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6792874 Railroad car center plate assembly conductive liner John D. Anderson 2004-09-21