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Roller-shutter door system
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Patent number 11,142,946
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Issue date Oct 12, 2021
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INNOMOTIVE SOLUTIONS GROUP INC.
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Oran McNabb
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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3772129
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Patent number 3,772,129
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Issue date Nov 13, 1973
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B60 - VEHICLES IN GENERAL
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3012318
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Patent number 3,012,318
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Issue date Dec 12, 1961
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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2926729
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Patent number 2,926,729
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Issue date Mar 1, 1960
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL