RC

Robert G. Crawford

HC Herzog Contracting: 1 patents #13 of 25Top 55%
Overall (All Time): #1,970,972 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9539599 Recirculation block — 2017-01-10
6561742 Loading and unloading apparatus for railcars Bert Ross 2003-05-13