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Patent applications and USPTO patent grants for Overstreet; James Leslie.The latest application filed is for "system, method and apparatus for hardfacing composition for earth boring bits in highly abrasive wear conditions using metal matrix materials".
Patent | Date |
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Particle-matrix composite drill bits with hardfacing Grant 8,002,052 - Stevens , et al. August 23, 2 | 2011-08-23 |
System, Method And Apparatus For Hardfacing Composition For Earth Boring Bits In Highly Abrasive Wear Conditions Using Metal Matrix Materials App 20080149397 - Overstreet; James Leslie | 2008-06-26 |
Particle-matrix composite drill bits with hardfacing and methods of manufacturing and repairing such drill bits using hardfacing materials App 20080029310 - Stevens; John H. ;   et al. | 2008-02-07 |
Earth boring bits with nanocrystalline diamond enhanced elements Grant 5,954,147 - Overstreet , et al. September 21, 1 | 1999-09-21 |
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