ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,447,495, issued on Oct. 21, was assigned to ZOBELE HOLDING SPA (Trento, Italy).

"Device for diffusing volatile substances" was invented by Sergio Luque Vera (Barcelona, Spain), Roberto Camarero Diez (Barcelona, Spain) and Fernando Alfonso Gallego (Barcelona, Spain).

According to the abstract* released by the U.S. Patent & Trademark Office: "The device for diffusing volatile substances, which comprises a container (1) to house a liquid containing the volatile substances, a capillary element (2) partially housed in said container (1), a perforated element (3) through which volatile substances are diffused, and a piezoelectric element (4) in contact with said perforated element (3) and ...