BB

Brian C. Berke

HU Hitachi Rail Sts Usa: 1 patents #2 of 16Top 15%
📍 Washington, PA: #320 of 552 inventorsTop 60%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #2,645,060 of 4,157,543Top 65%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11285979 Non-powered shunting and track circuit disconnect mechanism for railway switch machine, railway switch machine and railway switching system including same Frank Durkac, William J. Moltz 2022-03-29