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Two-piece impeller
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Patent number 5,966,846
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Issue date Oct 19, 1999
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Ariens Company
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Clarence L. Harms
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Single stage snowthrower
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Patent number 5,758,436
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Issue date Jun 2, 1998
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Ariens Company
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Clarence L. Harms
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES