MF

Marvin J. Frazier

AC Allied Consulting: 1 patents #540 of 1,310Top 45%
EI Electric Power Research Institute: 1 patents #421 of 1,201Top 40%
📍 Roselle, IL: #104 of 244 inventorsTop 45%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,324,313 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4932615 Railroad track simulator for assessing track signal susceptibility to electric power line interference Donald R. Little 1990-06-12
4340770 Enhancement of the magnetic permeability in glassy metal shielding Jack E. Bridges 1982-07-20