Pennish; John S.

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Los Angeles, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for producing and casting liquid silicon
- Patent number 4,272,488
- Issue date Jun 9, 1981
- Pennish; John S.
- Justice N. Carman
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing liquid silicon
- Patent number 4,176,166
- Issue date Nov 27, 1979
- Pennish; John S.
- Justice N. Carman
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method and apparatus for making vitreous silica
- Patent number 4,123,229
- Issue date Oct 31, 1978
- Pennish; John S.
- Justice N. Carman
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for making vitreous silica
- Patent number 4,054,641
- Issue date Oct 18, 1977
- Pennish; John S.
- Justice N. Carman
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

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