WA

William K. Aitken

BB British Railways Board: 1 patents #5 of 23Top 25%
Overall (All Time): #4,087,980 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4262845 Concrete slab structure for railway track John C. Lucas 1981-04-21