RI

Robert M. Irving

NA Naco: 1 patents #4 of 6Top 70%
Overall (All Time): #3,541,603 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6374749 Friction wedge for a railroad car truck having a replaceable wear member Scott R. Duncan, Valerian S. Skawinski 2002-04-23