Richart T. Lewis

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Auburn, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Reduced puffing needle coke from coal tar distillate
- Patent number 8,530,094
- Issue date Sep 10, 2013
- GrafTech International Holdings Inc.
- Douglas J. Miller
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...