76192104
Jan 10, 2001
Nov 12, 2002
PARTS FOR DRAINAGE SYSTEMS, NAMELY, ELONGATED MOLDED POLYMER CHAMBERS, SUBSTANTIALLY ARCH-SHAPED IN CROSS-SECTION, INSTALLED IN SERIES WITH SIMILAR CHAMBERS UNDERGROUND BENEATH BACKFILL, FORMING BURIED RESERVOIRS BENEATH PAVED OR TRAFFICKED AREAS FOR COLLECTING, STORING, FILTERING AND DRAINING STORMWATER OR RAINWATER
Environmental Control Apparatus