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Norman W. Hall
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Ashland, KY, US
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last 30 patents
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Patent Grant
Process for the manufacture of carbon fibers and feedstock therefor
Patent number
4,671,864
Issue date
Jun 9, 1987
Ashland Oil, Inc.
William R. Sawran
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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Patent Grant
Process for the manufacture of carbon fibers
Patent number
4,497,789
Issue date
Feb 5, 1985
Ashland Oil, Inc.
William R. Sawran
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING