RR

Robert W. Ralph

NS Norfolk Southern: 1 patents #25 of 60Top 45%
SE Siemens Energy: 1 patents #497 of 1,016Top 50%
Overall (All Time): #2,015,017 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9455613 Rotor winding having a braze joint spaced apart from stress concentration Mark A. Grobe, David Earl Hulsey, James V. Johnson, Robert F. Lemke, Christian Schneider +3 more 2016-09-27
6823242 Method and apparatus for monitoring wheel/brake performance 2004-11-23