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Column hung truss system
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Patent number 6,928,782
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Issue date Aug 16, 2005
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Aluma Enterprises Inc.
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Allan James Becker
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E04 - BUILDING
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Anchor clamp
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Patent number 6,789,649
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Issue date Sep 14, 2004
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Aluma Enterprises Inc.
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Peter H. Herrmann
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A62 - LIFE-SAVING FIRE-FIGHTING
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Scaffold clamp
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Patent number 6,702,509
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Issue date Mar 9, 2004
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Aluma Enterprises Inc.
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Peter Rogers
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Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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Scaffolding connector
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Patent number 5,961,240
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Issue date Oct 5, 1999
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Aluma Enterprises Inc.
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Bert Bobrovniczky
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E04 - BUILDING