77159768
Apr 18, 2007
Waterproof metal roofing system with protective drainage and filter layers incorporating board, root block, soil and seeds, used for growth of plant life on roofing surfaces, namely, metal roofing
Metal GoodsWaterproof non-metal roofing system with protective drainage and filter layers incorporating root block, soil and seeds, used for growth of plant life on roofing surfaces, namely, non-metal roofing
Nonmetallic Building Materials