WD

William R. Davis

NL National Steel Car Limited: 2 patents #4 of 7Top 60%
📍 Beamsville, CA: #2 of 4 inventorsTop 50%
Overall (2011): #58,682 of 364,097Top 20%
2
Patents 2011

Issued Patents 2011

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8065964 Rail road hopper car ridge fittings James W. Forbes, Mohamed A. Khattab, Tomasz Bis 2011-11-29
8047140 Rail road hopper car structure James W. Forbes, Mohamed A. Khattab, Tomasz Bis 2011-11-01