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Sash and case windows
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Patent number 6,481,159
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Issue date Nov 19, 2002
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Arganex Limited
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Alan Diston
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Windows
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Patent number 4,612,727
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Issue date Sep 23, 1986
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Lars Eriksson
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Double door assembly
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Patent number 4,389,817
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Issue date Jun 28, 1983
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Leonard E. Olberding
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Double sash structure
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Patent number 4,333,283
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Issue date Jun 8, 1982
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Yoshida Kogyo K. K.
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Hiroyuki Ebata
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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2923982
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Patent number 2,923,982
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Issue date Feb 9, 1960
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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2755855
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Patent number 2,755,855
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Issue date Jul 24, 1956
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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2694841
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Patent number 2,694,841
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Issue date Nov 23, 1954
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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2687557
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Patent number 2,687,557
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Issue date Aug 31, 1954
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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2684116
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Patent number 2,684,116
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Issue date Jul 20, 1954
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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2608278
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Patent number 2,608,278
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Issue date Aug 26, 1952
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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2578470
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Patent number 2,578,470
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Issue date Dec 11, 1951
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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2458385
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Patent number 2,458,385
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Issue date Jan 4, 1949
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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2402247
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Patent number 2,402,247
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Issue date Jun 18, 1946
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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2381147
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Patent number 2,381,147
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Issue date Aug 7, 1945
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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2286899
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Patent number 2,286,899
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Issue date Jun 16, 1942
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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2200568
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Patent number 2,200,568
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Issue date May 14, 1940
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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1742405
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Patent number 1,742,405
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Issue date Jan 7, 1930
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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1403335
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Patent number 1,403,335
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Issue date Jan 10, 1922
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS