loadpatents
Patent applications and USPTO patent grants for Grigor; Charles.The latest application filed is for "milling cutter having undulating chip breaker".
Patent | Date |
---|---|
Milling cutter having undulating chip breaker Grant 9,512,690 - Grigor , et al. December 6, 2 | 2016-12-06 |
System and method to facilitate the drilling of a deviated borehole Grant 9,347,268 - Grigor , et al. May 24, 2 | 2016-05-24 |
Milling Cutter Having Undulating Chip Breaker App 20140166305 - Grigor; Charles ;   et al. | 2014-06-19 |
System And Method To Facilitate The Drilling Of A Deviated Borehole App 20130168151 - GRIGOR; CHARLES ;   et al. | 2013-07-04 |
Vibrating downhole tool Grant 7,708,088 - Allahar , et al. May 4, 2 | 2010-05-04 |
Vibrating Downhole Tool App 20090266612 - Allahar; Ian ;   et al. | 2009-10-29 |
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