RL

Richard T. Lewis

GH Graftech International Holdings: 1 patents #8 of 26Top 35%
📍 Mettmann, OH: #1 of 1 inventorsTop 100%
Overall (2011): #185,458 of 364,097Top 55%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8007659 Reduced puffing needle coke from coal tar distillate Douglas J. Miller, Ching-Feng Chang, Irwin C. Lewis, Aaron Tomasek, Richard L. Shao 2011-08-30