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Window retention system
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Patent number 6,256,931
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Issue date Jul 10, 2001
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Emco Enterprises, Inc.
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Terry J. Kenkel
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Window retention system
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Patent number 6,192,631
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Issue date Feb 27, 2001
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Emco Enterprises, Inc.
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Terry J. Kenkel
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Extruded section of a door frame
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Patent number D413991
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Issue date Sep 14, 1999
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Emco Enterprises, Inc.
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Terry J. Kenkel
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D25 - Building units and construction elements
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Extruded section of a door frame
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Patent number D409767
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Issue date May 11, 1999
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Emco Enterprises, Inc.
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Terry J. Kenkel
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D25 - Building units and construction elements
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Extruded section of a door frame
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Patent number D408562
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Issue date Apr 20, 1999
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Emco Enterprises, Inc.
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Terry J. Kenkel
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D25 - Building units and construction elements
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Vented glass door
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Patent number 5,623,783
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Issue date Apr 29, 1997
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Emco Enterprises, Inc.
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Terry Kenkel
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Glazing seal and door frame
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Patent number 5,546,714
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Issue date Aug 20, 1996
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Emco Enterprises, Inc.
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Terry Kenkel
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS