RETAINING WALL BLOCK SYSTEM

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20110217127A1
SERIAL NO

13037685

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A wall block having a block body having opposed front and rear faces, opposed first and second side walls, and opposed and substantially parallel top and bottom faces, one or more pin holes that open onto the top face of the block, and one or more lugs that extend from the bottom face, each lug having a back surface that extends contiguously from the rear face of the block. A corner block for use with the wall block. A retaining wall comprising a plurality of wall blocks including at least one lower course and at least one upper course.

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Patent Owner(s)

Patent OwnerAddress
KEYSTONE RETAINING WALL SYSTEMS INC4444 WEST 78TH STREET MINNEAPOLIS MN 55435

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
MacDonald, Robert A Plymouth, US 176 3320

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