JH

John David Hargrove

BL British Petroleum Company Limited: 1 patents #40 of 133Top 35%
📍 Aldershot, GB: #23 of 55 inventorsTop 45%
Overall (All Time): #4,058,018 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4405503 Production of zeolite agglomerates John L. Barclay, Richard J. Prince 1983-09-20