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Knock down wood box system
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Patent number 8,939,303
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Issue date Jan 27, 2015
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Peter Y Sibbett
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Raised profile panel for door
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Patent number 8,596,005
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Issue date Dec 3, 2013
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Peter Yong Sibbett
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Jamb assembly for door
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Patent number 8,499,509
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Issue date Aug 6, 2013
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Capstone Engineering Co., Ltd.
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Peter Yong Sibbett
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Window frame
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Patent number 7,845,135
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Issue date Dec 7, 2010
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Peter Sibbett
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Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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Door with glass
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Patent number 7,430,836
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Issue date Oct 7, 2008
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Capstone Engineering Co. Ltd.
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Peter Sibbett
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS