ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,227,904, issued on Feb. 18.
"Edge restraint with mechanism for restricted horizontal movement" was invented by Stephen Jones (Prior Lake, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An edge restraint and method of use where the edge restraint has a vertical wall for retaining segmental pavement in an installation placement and a horizontal base having a plurality of teeth extending therefrom and providing discrete focused points for providing friction between the edge restraint and an installation surface to prevent horizontal movement of the edging in at least one direction with respect to the installation surface. A leading edge of the base i...