JC

John R. Crookall

ND National Research Development: 1 patents #307 of 1,071Top 30%
📍 Rushden, GB: #22 of 52 inventorsTop 45%
Overall (All Time): #4,067,431 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4322595 Arc monitor for electrical discharge machining Alan Fowell, Trevor W. Shaw 1982-03-30