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Soil sampling assembly
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Patent number 11,781,949
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Issue date Oct 10, 2023
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Soil Analytics, LLC
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Jay T. Kelley
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E21 - EARTH DRILLING MINING
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Soil sampling assembly
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Patent number 11,073,448
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Issue date Jul 27, 2021
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Soil Analytics
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Jay T. Kelley
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E21 - EARTH DRILLING MINING
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Soil sampling assembly
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Patent number 10,145,192
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Issue date Dec 4, 2018
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Soil Analytics, LLC
-
Jay T. Kelley
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E21 - EARTH DRILLING MINING
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Soil sampling assembly
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Patent number 9,534,464
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Issue date Jan 3, 2017
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Soil Analytics, LLC
-
Jay T. Kelley
-
E21 - EARTH DRILLING MINING