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Door frame clip
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Patent number 4,527,369
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Issue date Jul 9, 1985
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Rollform, Inc.
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George C. Adams
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Panel fastener
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Patent number 4,498,272
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Issue date Feb 12, 1985
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Rollform, Incorporated
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George C. Adams
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E04 - BUILDING
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Wall panel fastener
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Patent number 4,448,007
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Issue date May 15, 1984
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George C. Adams
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E04 - BUILDING
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Wall structure
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Patent number 4,149,353
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Issue date Apr 17, 1979
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George C. Adams
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E04 - BUILDING