Donald C. Berkebile

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Ashland, KY, US

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Patents Grantslast 30 patents

Information Patent Grant
Processes for the manufacture of enriched pitches and carbon fibers
- Patent number 5,316,654
- Issue date May 31, 1994
- Donald C. Berkebile
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Processes for the manufacture of enriched pitches and carbon fibers
- Patent number 4,996,037
- Issue date Feb 26, 1991
- Donald C. Berkebile
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING