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Skylight latch
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Patent number 4,845,905
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Issue date Jul 11, 1989
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Wilh. Frank GmbH
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Wilhelm Frank
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Skylight
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Patent number 4,486,978
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Issue date Dec 11, 1984
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Wilh. Frank GmbH
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Wilhelm Frank
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Skylight
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Patent number 4,480,406
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Issue date Nov 6, 1984
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Wilh. Frank GmbH
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Wilhelm Frank
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Roof window arrangement
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Patent number 4,055,024
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Issue date Oct 25, 1977
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Wilh. Frank GmbH
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Wilhelm Frank
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES