ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,446,622, issued on Oct. 21, was assigned to Altria Client Services LLC (Richmond, Va.).

"Combined cartridge for electronic vaping device" was invented by Ali Rostami (Glen Allen, Va.), Christopher S. Tucker (Midlothian, Va.), David Kane (Richmond, Va.), Peter Lipowicz (Midlothian, Va.), Georgios Karles (Richmond, Va.), Gerd Kobal (Sandy Hook, Va.) and Yezdi Pithawalla (Midlothian, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cartridge for an e-vaping device enables simultaneous vaporization of different pre-vapor formulations to form a vapor for vaping by an adult vaper. The cartridge includes a dispensing interface coupled to a plurality of res...