ALEXANDRIA, Va., July 21 -- United States Patent no. 12,685,334, issued on July 21, was assigned to Philip Morris Products S.A. (Neuchatel, Switzerland).

"Aerosol-generating device, system and method" was invented by Leander Dittmann (Pully, Switzerland) and Robert Emmett (Neuchatel, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aerosol-generating device is provided, including: a vibratable transducer configured to aerosolise a liquid aerosol-forming substrate; and a controller coupled to the transducer, the controller being configured to provide a driving signal for vibrating the transducer, in which all or part of the driving signal defines a sensory output of the transducer detectable by a...