BIOROOF
green roof systems consisting primarily of non-metal components, namely, moisture retention and drainage structures composed of root barrier sheets, water retention and drainage boards, drainage mats, and filter cloth, for growing vegetation on roofs; non-metal structural components of green roof systems, namely, moisture retention and drainage structures composed of modular trays, featuring a growing medium and vegetation
Abandoned · November 30, 2007 · 77341003 ·
