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Hoist apparatus
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Patent number 6,966,544
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Issue date Nov 22, 2005
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MHE Technologies, Inc.
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Stephen J. McCormick
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B66 - HOISTING LIFTING HAULING
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Hoist load brake
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Patent number 5,141,085
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Issue date Aug 25, 1992
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Harnischfeger Corporation
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Stephen J. McCormick
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B66 - HOISTING LIFTING HAULING
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Multi-speed planetary transmission
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Patent number 4,640,152
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Issue date Feb 3, 1987
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Deutz-Allis Corporation
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David C. Quick
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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