RM

Robert N. Madderom

HO Holland: 2 patents #25 of 76Top 35%
Overall (All Time): #2,003,403 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9303364 Rail cant measurement tool and method Harold Thomas Ruggles, Stefan T. Pendrick, Brandon R. Huynh 2016-04-05
8844149 Rail cant measurement tool and method Harold Thomas Ruggles, Stefan T. Pendrick, Brandon R. Huynh 2014-09-30