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I-beam with curved flanges
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Patent number 7,784,243
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Issue date Aug 31, 2010
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A. Zahner Company
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L. William Zahner, III
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E04 - BUILDING
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I-beam with curved flanges
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Patent number 7,434,366
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Issue date Oct 14, 2008
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A. Zahner Company
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L. William Zahner, III
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E04 - BUILDING
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Panel attachment system
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Patent number 7,210,273
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Issue date May 1, 2007
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A. Zahner Company
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L. William Zahner, III
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E04 - BUILDING