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Powered safety curtains
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Patent number 9,388,634
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Issue date Jul 12, 2016
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Rite-Hite Holding Corporation
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Carl David Hardison
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Powered safety curtains
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Patent number 9,309,717
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Issue date Apr 12, 2016
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Rite-Hite Holding Corporation
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Carl David Hardison
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Door with a safety antenna
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Patent number 7,151,450
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Issue date Dec 19, 2006
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Rite-Hite Holding Corporation
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Ryan P. Beggs
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Door with a safety antenna
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Patent number 7,034,682
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Issue date Apr 25, 2006
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Rite-Hite Holding Corporation
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Ryan P. Beggs
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES