ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,715,245, issued on Aug. 25, was assigned to Autotech Engineering S.L. (Amorebieta-Etxano, Spain).
"Rigid axle with a spring seat" was invented by Raymond Aso (Bowburn, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a spring seat body for connection to a rigid axle of a motor vehicle, including an upper and lower seat surfaces, lateral edge surfaces lying between the spring seat surface and the lower seat surface, and a pair of through holes for receiving and holding a clamping bracket for fastening a spring to the spring seat body. The lateral edge surfaces include a first and second edge surfaces which face away from one anoth...