ALEXANDRIA, Va., June 2 -- United States Patent no. 12,644,272, issued on June 2, was assigned to Frog Creek Partners LLC (Casper, Wyo.).

"Storm drain grate and filter apparatus and method" was invented by Brian Deurloo (Casper, Wyo.) and Thomas James Stypula (Sheridan, Wyo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A storm water capture and filtration system may secure in a catch basin or other area subject to flows of water from streets, channels, and the like as a result of run off from storms. A filter system may include a capture portion including attachment mechanisms, a funnel, various supports, and a filter hanger designed and calculated to capture all water entering a storm water inlet and dire...