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Elevator tension member
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Patent number 11,511,968
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Issue date Nov 29, 2022
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Otis Elevator Company
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Mark R. Gurvich
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Elevator tension member
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Patent number 10,676,319
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Issue date Jun 9, 2020
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Otis Elevator Company
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Mark R. Gurvich
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B66 - HOISTING LIFTING HAULING
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-
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2732883
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Patent number 2,732,883
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Issue date Jan 31, 1956
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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1449912
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Patent number 1,449,912
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Issue date Mar 27, 1923
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D07 - ROPES CABLES OTHER THAN ELECTRIC