BB

Bruce E. Burkhardt

PO Polycorp: 4 patents #4 of 20Top 20%
Overall (All Time): #1,219,138 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8714462 Special track assembly and methods of making same W. Bradley Bedford, John G. Brooks, Richard Theodore Ellis 2014-05-06
8245950 Removable rail seal Richard Theodore Ellis 2012-08-21
8172158 Flangeway former and rail boot system Bradley W Bedford, Rick Ellis 2012-05-08
8100342 Shallow flangeway rail seal Richard Theodore Ellis 2012-01-24