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Patent applications and USPTO patent grants for Forrat; Francis.The latest application filed is for "apparatus for the purification of water by ultraviolet radiation".
Patent | Date |
---|---|
Apparatus for the purification of water by ultraviolet radiation Grant 4,438,337 - Forrat March 20, 1 | 1984-03-20 |
Solar energy to electrical energy converter Grant 4,171,003 - Forrat October 16, 1 | 1979-10-16 |
Photovoltaic cell Grant 4,053,326 - Forrat October 11, 1 | 1977-10-11 |
Interferometric Modulator For Use In Natural Light Grant 3,758,194 - Daval , et al. September 11, 1 | 1973-09-11 |
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