ALEXANDRIA, Va., May 26 -- United States Patent no. 12,640,502, issued on May 26, was assigned to HARTING Electric Stiftung & Co. KG (Espelkamp, Germany).

"Contact spring arrangement with release member" was invented by Norbert Kropiewnicki (Bielefeld, Germany) and Daniel Wesseler (Georgsmarienhutte, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A contact spring arrangement includes a carrier structure which has a support wall made of a conductive material. A contact spring has a base limb, held in a fixed position with respect to the support wall, and a clamping limb which, together with the support wall, forms a plug socket narrowing in the insertion direction for a core of an electrical conductor...