ALEXANDRIA, Va., June 18 -- United States Patent no. 12,324,488, issued on June 10, was assigned to Rilo Energy S.r.l. (Turin, Italy).

"Button" was invented by Gianluca Calderoni (Turin, Italy) and Claudio Facciorusso (Turin, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "A button including a bottom element which has a stem extending along an axial direction, a closing element which has a pin extending along the axial direction internally to the stem, the pin being configured to bind to the stem, a fixing element having a trunk extending along the axial direction externally to the stem, the trunk being configured to receive and bind to the stem. The stem is configured to be coupled with interference fi...