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Patent applications and USPTO patent grants for Otterstrom; Gary.The latest application filed is for "stage zone heating of hydrocarbon bearing materials".
Patent | Date |
---|---|
Stage zone heating of hydrocarbon bearing materials Grant 10,208,254 - Otterstrom , et al. Feb | 2019-02-19 |
Stage Zone Heating Of Hydrocarbon Bearing Materials App 20180201842 - Otterstrom; Gary | 2018-07-19 |
Staged zone heating of hydrocarbon bearing materials Grant 9,914,879 - Otterstrom , et al. March 13, 2 | 2018-03-13 |
Staged Zone Heating Of Hydrocarbon Bearing Materials App 20170088780 - Otterstrom; Gary ;   et al. | 2017-03-30 |
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