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Patent applications and USPTO patent grants for Brazzel; Ronald L..The latest application filed is for "multi-component drilling fluid additive, and drilling fluid system incorporating the additive".
Patent | Date |
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Multi-Component Drilling Fluid Additive, and Drilling Fluid System Incorporating the Additive App 20100267592 - Brazzel; Ronald L. | 2010-10-21 |
Multi-component drilling fluid additive, and drilling fluid system incorporating the additive Grant 7,635,667 - Brazzel December 22, 2 | 2009-12-22 |
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