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Patent applications and USPTO patent grants for Mitchell; David Brian.The latest application filed is for "method of treating wastewater".
Patent | Date |
---|---|
Subscription based services for closed computing systems Grant 8,062,132 - Yates, Jr. , et al. November 22, 2 | 2011-11-22 |
Method Of Treating Wastewater App 20080142447 - MITCHELL; David Brian ;   et al. | 2008-06-19 |
Subscription based services for closed computing systems App 20080139314 - Yates; Ronnie Donnell ;   et al. | 2008-06-12 |
Treatment of aqueous systems using a chemically modified tannin Grant 5,977,287 - Mitchell , et al. November 2, 1 | 1999-11-02 |
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