Michael B. Sumner

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Ceredo, WV, US

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Patents Grantslast 30 patents

Information Patent Grant
Production of mesophase pitches, carbon fiber precursors, and carbo...
- Patent number 5,614,164
- Issue date Mar 25, 1997
- Ashland Inc.
- Michael B. Sumner
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Mesophase pitches, carbon fiber precursors, and carbonized fibers
- Patent number 5,238,672
- Issue date Aug 24, 1993
- Ashland Oil, Inc.
- Michael B. Sumner
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING