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Sub basket
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Patent number 8,230,991
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Issue date Jul 31, 2012
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John C. Zimmer
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E21 - EARTH DRILLING MINING
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Sub basket
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Patent number 8,100,257
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Issue date Jan 24, 2012
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John C. Zimmer
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E21 - EARTH DRILLING MINING
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Barrel jacket
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Patent number 7,757,877
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Issue date Jul 20, 2010
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John C. Zimmer
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Security apparatus
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Patent number 4,466,261
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Issue date Aug 21, 1984
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John C. Zimmer
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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