ALEXANDRIA, Va., May 26 -- United States Patent no. 12,637,853, issued on May 26, was assigned to Con-Cast Pipe Inc. (Puslinch, Canada).

"Stormwater management system" was invented by Adam De Gasperis (Concord, Canada), Frank De Gasperis (Concord, Canada), Greg Dziewiecki (Concord, Canada) and Eric Cumsikey (Concord, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a stormwater system which includes plastic stormwater elements surrounded by a concrete perimeter channel. Distribution and low flow channels may extend perpendicular to each other, and through the stormwater elements, connected to the perimeter channel. Manholes and access shafts allow for access to the entire system for in...