78543615
Jan 7, 2005
Sep 4, 2007
Water permeable pavers; porous surface reinforcing structures for stabilization, construction and paving purposes, namely, soil anti-compaction pavers; porous surface reinforcing structures for stabilization, construction and paving purposes, namely, pavers containing a plastics support structure adapted to receive gravel or pebble infill, and such structures containing gravel and pebble infill
Nonmetallic Building Materials