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Heat reflective coated structural article
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Patent number 6,872,440
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Issue date Mar 29, 2005
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Elk Premium Building Products, Inc.
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Matti Kiik
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Roofing underlayment
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Patent number 6,586,353
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Issue date Jul 1, 2003
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Elk Corp. of Dallas
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Matti Kiik
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Asphalt coated structural article
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Patent number 6,500,560
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Issue date Dec 31, 2002
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Elk Corporation of Dallas
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Matti Kiik
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...