Pratt; Graham
Patent Applications and Registrations
Patent applications and USPTO patent grants for Pratt; Graham.The latest application filed is for "leach extraction method".
- Pratt; Graham - Makedonitissa CY
- Pratt; Graham - Queensland AU
| Patent | Date |
|---|---|
| Ore leach method with aqueous sulfuric acid containing ferric ions Grant 7,799,295 - Dreisinger , et al. September 21, 2 | 2010-09-21 |
| Leach Extraction Method App 20080050293 - Dreisinger; David ; et al. | 2008-02-28 |
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