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Patent applications and USPTO patent grants for Planche; Jean.The latest application filed is for "device for electrode-type electrical logging tools and tool incorporating said device".
Patent | Date |
---|---|
Device for electrode-type electrical logging tools and tool incorporating said device Grant 4,286,217 - Planche , et al. August 25, 1 | 1981-08-25 |
Apparatus For Intercoupling Well Tool Sections Having Electrical And Fluid Lines Grant 3,831,443 - Planche August 27, 1 | 1974-08-27 |
Well Logging Sonde Having Articulated Centering And Measuring Shoes Grant 3,798,966 - Planche March 26, 1 | 1974-03-26 |
Well Logging Probes Grant 3,795,141 - Planche March 5, 1 | 1974-03-05 |
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