ALEXANDRIA, Va., July 28 -- United States Patent no. 12,690,620, issued on July 28, was assigned to Philip Morris Products S.A. (Neuchatel, Switzerland).
"Display for an aerosol-generating device" was invented by Ricardo Cali (Mannheim, Germany), Toney Moses Rajan (Mannheim, Germany) and Serge Lopez (Prades, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A display is provided for an aerosol-generating device, the display including: a notification window; and a nano-photonic material extending over a front surface of the notification window, the nano-photonic material being configured to, in response to a light wave comprising at least one predetermined wavelength backlighting the notification window a...