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Low-clearance centralizer
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Patent number 9,771,763
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Issue date Sep 26, 2017
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ANTELOPE OIL TOOL & MFG. CO.
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Troy McDaniel
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E21 - EARTH DRILLING MINING
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Modified tubular
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Patent number 9,404,317
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Issue date Aug 2, 2016
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ANTELOPE OIL TOOL & MFG. CO.
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David E. Y. Levie
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Modified tubular
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Patent number 9,376,871
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Issue date Jun 28, 2016
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ANTELOPE OIL TOOL & MFG. CO.
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David E. Y. Levie
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Centralizer
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Patent number 4,651,823
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Issue date Mar 24, 1987
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Antelope Oil Tool & Mfg. Company
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Hugh D. Spikes
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E21 - EARTH DRILLING MINING
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