JG

John F. G. Grainger

CL Coal Industry (Patents) Limited: 1 patents #73 of 230Top 35%
📍 Tewkesbury, GB: #27 of 46 inventorsTop 60%
Overall (All Time): #4,006,560 of 4,157,543Top 100%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4628828 Ash handling systems for combustion equipment Roy D. Holtham, Anthony J. Falconer 1986-12-16