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Low-profile lifting apparatus
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Patent number 5,074,423
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Issue date Dec 24, 1991
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Ingersoll-Rand Company
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Glenn S. Smith
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B66 - HOISTING LIFTING HAULING
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Hand-operated chain block
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Patent number 5,007,617
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Issue date Apr 16, 1991
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Vital Kogyo Kabushiki Kaisha
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Yosaku Nishimura
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B66 - HOISTING LIFTING HAULING
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Pneumatic pendant
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Patent number 4,830,049
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Issue date May 16, 1989
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Beebe International Inc.
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Glenn S. Smith
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B66 - HOISTING LIFTING HAULING
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Levelwind mechanism
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Patent number 4,695,010
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Issue date Sep 22, 1987
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Beebe International, Inc.
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Glenn S. Smith
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B66 - HOISTING LIFTING HAULING
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