ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,126, issued on May 13, was assigned to The United States of America, as represented by the Secretary of the Navy (Washington).

"Modular porous swale" was invented by Gary Anguiano (Oxnard, Calif.), Dennis How (Camarillo, Calif.), Mark Foreman (Santa Barbara, Calif.) and James Thomas Pilkington (Ventura, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A modular porous swale. The modular porous swale may comprise a porous concrete block and filtration joint. The porous concrete block may snugly fit within a trench having a lower portion filled with an absorption media. The absorption media may include gravel, activated alumina, bone char, biocha...