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Tubular skylight assembly
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Patent number 12,024,890
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Issue date Jul 2, 2024
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VKR Holding A/S
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Brian Jefferson Burkes
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E04 - BUILDING
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3821923
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Patent number 3,821,923
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Issue date Jul 2, 1974
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F24 - HEATING RANGES VENTILATING
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3516197
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Patent number 3,516,197
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Issue date Jun 23, 1970
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F24 - HEATING RANGES VENTILATING
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3516198
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Patent number 3,516,198
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Issue date Jun 23, 1970
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F24 - HEATING RANGES VENTILATING
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3230859
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Patent number 3,230,859
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Issue date Jan 25, 1966
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F24 - HEATING RANGES VENTILATING
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2940377
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Patent number 2,940,377
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Issue date Jun 14, 1960
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F24 - HEATING RANGES VENTILATING
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2896558
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Patent number 2,896,558
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Issue date Jul 28, 1959
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F24 - HEATING RANGES VENTILATING
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2766859
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Patent number 2,766,859
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Issue date Oct 16, 1956
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F24 - HEATING RANGES VENTILATING
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2565200
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Patent number 2,565,200
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Issue date Aug 21, 1951
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E04 - BUILDING
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2160901
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Patent number 2,160,901
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Issue date Jun 6, 1939
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E04 - BUILDING
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2100782
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Patent number 2,100,782
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Issue date Nov 30, 1937
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F24 - HEATING RANGES VENTILATING
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1684641
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Patent number 1,684,641
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Issue date Sep 18, 1928
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E04 - BUILDING
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1668421
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Patent number 1,668,421
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Issue date May 1, 1928
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E04 - BUILDING
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1465899
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Patent number 1,465,899
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Issue date Aug 21, 1923
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E04 - BUILDING
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1421154
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Patent number 1,421,154
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Issue date Jun 27, 1922
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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1402241
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Patent number 1,402,241
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Issue date Jan 3, 1922
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E04 - BUILDING
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1401208
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Patent number 1,401,208
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Issue date Dec 27, 1921
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E04 - BUILDING