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Door sill portion
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Patent number D488243
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Issue date Apr 6, 2004
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Andersen Corporation
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Brian John Babka
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D25 - Building units and construction elements
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Door sill
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Patent number D474844
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Issue date May 20, 2003
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Andersen Corporation
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Brian John Babka
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D25 - Building units and construction elements
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Door sill portion
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Patent number D474845
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Issue date May 20, 2003
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Andersen Corporation
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Brian John Babka
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D25 - Building units and construction elements
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Door sill
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Patent number D460563
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Issue date Jul 16, 2002
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Andersen Corporation
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Brian John Babka
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D25 - Building units and construction elements
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Casement lock
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Patent number 6,161,881
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Issue date Dec 19, 2000
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Andersen Corporation
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Brian J. Babka
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Window sash
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Patent number 5,622,017
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Issue date Apr 22, 1997
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Andersen Corporation
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Jeffrey M. Lynn
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Corner lock
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Patent number 5,010,708
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Issue date Apr 30, 1991
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Anderson Corporation
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Harold H. Evans
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS