CONCRETE MOLD BOX ASSEMBLY WITH POLYURETHANE BONDED COMPARTMENTS

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United States of America Patent

APP PUB NO 20070262229A1
SERIAL NO

11746022

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Abstract

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A mold for concrete products includes a grid with a plurality of cavities that are open to both sides of the grid. The grid is bonded with polyurethane about its perimeter to the inner perimeter of a frame having a central opening therein. The grid may be formed of a single unitary piece or it may be formed from a plurality of sub-grids that are each bonded to the other with polyurethane.

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Patent Owner(s)

Patent OwnerAddress
COLUMBIA MACHINE INC107 GRAND BLVD VANCOUVER WA 98661

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gildersleeve, Stacy L Vancouver, WA 7 14
High, Douglas V Vancouver, WA 2 17
Johnston, Llewellyn L Vancouver, WA 9 55

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