LG

Lloyd I. Grindstaff

GC Great Lakes Carbon: 6 patents #4 of 41Top 10%
📍 Elizabethton, TN: #17 of 115 inventorsTop 15%
🗺 Tennessee: #3,130 of 20,272 inventorsTop 20%
Overall (All Time): #896,325 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
4427540 Production of anode grade petroleum coke Harry L. Hsu, Leslie H. Juel 1984-01-24
4312745 Non-puffing petroleum coke Harry L. Hsu, Mack P. Whittaker 1982-01-26
4291008 Process for calcining and desulfurizing petroleum coke Harry L. Hsu, Edward E. Hardin 1981-09-22
4284612 Preparation of SiC whiskers Ottis J. Horne 1981-08-18
4248844 Production of SiC from rice hulls and silica David E. Ramsey, Jr. 1981-02-03
4233148 Electrode composition David E. Ramsey, Jr. 1980-11-11