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Patent applications and USPTO patent grants for Lewis; Frederick Michael.The latest application filed is for "steam processing".
Patent | Date |
---|---|
Generation of an ultra-superheated steam composition and gasification therewith Grant 7,229,483 - Lewis June 12, 2 | 2007-06-12 |
Steam processing App 20040154224 - Lewis, Frederick Michael ;   et al. | 2004-08-12 |
Generation of an ultra-superheated steam composition and gasification therewith App 20030233788 - Lewis, Frederick Michael | 2003-12-25 |
Method of pyrolyzing sewage sludge to produce activated carbon Grant 4,122,036 - Lewis October 24, 1 | 1978-10-24 |
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