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Roller screen assemblies
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Patent number 8,656,978
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Issue date Feb 25, 2014
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420820 Ontario Limited
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Shaul Goldenberg
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Bracket for a roll screen
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Patent number D534059
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Issue date Dec 26, 2006
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420820 Ontario Limited
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Shaul Goldenberg
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D08 - Tools and hardware
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Corner bracket for a frame
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Patent number D530193
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Issue date Oct 17, 2006
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420820 Ontario Limited
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Shaul Goldenberg
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D08 - Tools and hardware
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Bushing
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Patent number D517900
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Issue date Mar 28, 2006
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420820 Ontario Limited
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Shaul Goldenberg
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D08 - Tools and hardware
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Quick locking pivot shoe
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Patent number 6,968,646
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Issue date Nov 29, 2005
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420820 Ontario Limited
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Shaul Goldenberg
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Brake pad
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Patent number D507217
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Issue date Jul 12, 2005
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420820 Ontario Limited
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Shaul Goldenberg
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D12 - Transportation
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Contoured window framing section
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Patent number D506269
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Issue date Jun 14, 2005
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420820 Ontario Limited
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Shaul Goldenberg
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D25 - Building units and construction elements
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Housing for roll screen
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Patent number D494401
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Issue date Aug 17, 2004
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420820 Ontario Limited
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Sean James Davies
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D06 - Furnishings
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Parallel balance systems
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Patent number 5,946,857
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Issue date Sep 7, 1999
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Preferred Engineering Products, Ltd.
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Bob Davies
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Parallel balance systems
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Patent number 5,687,506
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Issue date Nov 18, 1997
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420820Ontario Limited, c.o.b. Preferred Engineering Inc.
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Bob Davies
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Parallel balance system
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Patent number 5,682,710
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Issue date Nov 4, 1997
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420820 Ontario Limited
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Bob Davies
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES