MB

Michael S. Birkin

BB British Railways Board: 2 patents #2 of 23Top 9%
📍 Beeston, GB: #18 of 61 inventorsTop 30%
Overall (All Time): #2,324,312 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4932614 Train communication system — 1990-06-12
4538781 Control system for controlling the passage of vehicles — 1985-09-03