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Elevator door system
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Patent number 5,505,280
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Issue date Apr 9, 1996
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Otis Elevator Company
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John K. Salmon
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B66 - HOISTING LIFTING HAULING
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Elevator car
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Patent number 5,431,251
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Issue date Jul 11, 1995
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Otis Elevator Company
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John K. Salmon
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B66 - HOISTING LIFTING HAULING
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Elevator landing
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Patent number 5,407,029
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Issue date Apr 18, 1995
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Otis Elevator Company
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John K. Salmon
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B66 - HOISTING LIFTING HAULING
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Elevator door drive
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Patent number 5,377,783
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Issue date Jan 3, 1995
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Otis Elevator Company
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John K. Salmon
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B66 - HOISTING LIFTING HAULING
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