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Barn door framing system
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Patent number 4,513,554
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Issue date Apr 30, 1985
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Lawrence Brothers, Inc.
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Larry Johnson
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Barn door framing system
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Patent number 4,513,535
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Issue date Apr 30, 1985
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Lawrence Brothers, Inc.
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Billie J. Uphoff
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES