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Wall climbing elevator
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Patent number 11,667,497
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Issue date Jun 6, 2023
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Otis Elevator Company
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Kiron Bhaskar
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B66 - HOISTING LIFTING HAULING
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Elevator pit ladder apparatus
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Patent number 11,440,772
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Issue date Sep 13, 2022
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Mitsubishi Electric Corporation
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Hironobu Kamada
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Elevator car apron
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Patent number 11,267,679
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Issue date Mar 8, 2022
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Otis Elevator Company
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Nicolas Fonteneau
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B66 - HOISTING LIFTING HAULING
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Elevator car apron
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Patent number 11,136,222
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Issue date Oct 5, 2021
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Otis Elevator Company
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Gilles Bruno
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B66 - HOISTING LIFTING HAULING