Roger F. Clark

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Newark, DE, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for purifying silicon
- Patent number 6,632,413
- Issue date Oct 14, 2003
- Astropower, Inc.
- Roger F. Clark
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for purifying silicon
- Publication number 20020021996
- Publication date Feb 21, 2002
- AstroPower, Inc.
- Roger F. Clark
- C01 - INORGANIC CHEMISTRY