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Interlock cover extrusion
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Patent number D461012
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Issue date Jul 30, 2002
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Royal Group Technologies Limited
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Ronald Fredrick Edger
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D25 - Building units and construction elements
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Sill frame extrusion
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Patent number D452916
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Issue date Jan 8, 2002
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Royal Group Technologies Limited
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Ronald Fredrick Edger
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D25 - Building units and construction elements
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Water resistant window frame
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Patent number 6,334,283
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Issue date Jan 1, 2002
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Royal Group Technologies Limited
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Ronald Fredrick Edger
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Window sash extrusion
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Patent number D452743
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Issue date Jan 1, 2002
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Royal Group Technologies Limited
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Ronald Fredrick Edger
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D25 - Building units and construction elements
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Jamb frame extrusion
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Patent number D452575
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Issue date Dec 25, 2001
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Royal Group Technologies Limited
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Ronald Fredrick Edger
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D25 - Building units and construction elements
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Head frame extrusion
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Patent number D452574
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Issue date Dec 25, 2001
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Royal Group Technologies Limited
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Ronald Fredrick Edger
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D25 - Building units and construction elements