Hydraulic and earth engineering – Earth treatment or control – Shoring – bracing – or cave-in prevention
Reexamination Certificate
2005-05-17
2005-05-17
Lee, Jong-Suk (James) (Department: 3673)
Hydraulic and earth engineering
Earth treatment or control
Shoring, bracing, or cave-in prevention
C405S286000, C052S606000, C052S608000, C052S747120
Reexamination Certificate
active
06893192
ABSTRACT:
A retaining wall block system is described. The block system includes blocks of different sizes that are configured to be compatible with each other in the construction of a retaining wall or free-standing wall. Each block has at least three faces which are textured to produce the appearance of natural stone. The faces have varying sizes based on variations in width.
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Keystone Retaining Wall & Systems, Inc.
Lee Jong-Suk (James)
Popovich, Wiles & O'Connell , P.A.
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