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Patent applications and USPTO patent grants for Meckfessel; Britney E..The latest application filed is for "drill bits with cutters to cut high side of wellbores".
Patent | Date |
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Drill bits with cutters to cut high side of wellbores Grant 8,534,384 - Beuershausen , et al. September 17, 2 | 2013-09-17 |
Drill Bits With Cutters to Cut High Side of Wellbores App 20100252327 - Beuershausen; Chad J. ;   et al. | 2010-10-07 |
Drill Bits With a Fluid Cushion For Reduced Friction and Methods of Making and Using Same App 20100163307 - Schwefe; Thorsten ;   et al. | 2010-07-01 |
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