HG

Henry E. Grindstaff

GC Great Lakes Carbon: 2 patents #16 of 41Top 40%
📍 Elizabethton, TN: #35 of 115 inventorsTop 35%
🗺 Tennessee: #7,532 of 20,272 inventorsTop 40%
Overall (All Time): #2,350,602 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4626333 Anode assembly for molten salt electrolysis Duane R. Secrist, James M. Clark 1986-12-02
4443314 Anode assembly for molten salt electrolysis Duane R. Secrist, James M. Clark 1984-04-17