GB

Graham C. T. Ball

EC English Electric Valve Co.: 1 patents #32 of 66Top 50%
Overall (All Time): #3,994,818 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4585973 Travelling wave or like tubes Ronald L. Finch, Robert Wright 1986-04-29