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Patent applications and USPTO patent grants for KOHLS; Brent.The latest application filed is for "bottom hole completion system for an intermittent plunger".
Patent | Date |
---|---|
Bottom Hole Completion System For An Intermittent Plunger App 20080164017 - GEORGE; Grant ;   et al. | 2008-07-10 |
Bottom hold completion system for an intermittent plunger Grant 7,347,273 - George , et al. March 25, 2 | 2008-03-25 |
Bottom Hole Completion System For An Intermittent Plunger App 20070089885 - George; Grant ;   et al. | 2007-04-26 |
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