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Wide open spider tool
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Patent number 10,053,932
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Issue date Aug 21, 2018
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Vermilion River Tool & Equipment Company, Inc.
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David L Sipos
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E21 - EARTH DRILLING MINING
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Gate elevator
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Patent number 9,869,144
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Issue date Jan 16, 2018
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Vermilion River Tool and Equipment Company
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David L. Sipos
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E21 - EARTH DRILLING MINING
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Double curved spider gripping die
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Patent number 9,388,646
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Issue date Jul 12, 2016
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Vermilion River Tool & Equipment Company, Inc.
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Mostafa Elsayed
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E21 - EARTH DRILLING MINING