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Sash window arrangement
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Patent number 4,984,402
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Issue date Jan 15, 1991
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Omniglass Ltd.
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Lawrence W. Davies
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Window unit with decorative bars
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Patent number 4,652,472
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Issue date Mar 24, 1987
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Omniglass Ltd.
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Lawrence W. Davies
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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