RL

Richard T. Lewis

GH Graftech International Holdings: 1 patents #1 of 7Top 15%
📍 Mettmann, OH: #1 of 2 inventorsTop 50%
Overall (2019): #299,468 of 560,194Top 55%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10253264 Method of producing needle coke for low CTE graphite electrodes Douglas J. Miller, Irwin C. Lewis, Ching-Feng Chang 2019-04-09