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Frame member for a door assembly
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Patent number D806898
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Issue date Jan 2, 2018
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Larson Manufacturing Company of South Dakota
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Bryan Zacher
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D25 - Building units and construction elements
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Security door grill
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Patent number D745190
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Issue date Dec 8, 2015
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Larson Manufacturing Company of South Dakota, Inc.
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Bruce Thomas
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D25 - Building units and construction elements
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Door with lockset
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Patent number 7,007,439
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Issue date Mar 7, 2006
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Larson Manufacturing Company of South Dakota, Inc.
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Oscar Dale Larson
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Door with lockset
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Patent number 6,655,108
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Issue date Dec 2, 2003
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Larson Manufacturing Company
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Oscar Dale Larson
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Door with variable length screen
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Patent number 6,618,998
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Issue date Sep 16, 2003
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Larson Manufacturing Company
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Bruce E. Thomas
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS