ALEXANDRIA, Va., May 19 -- United States Patent no. 12,635,040, issued on May 19, was assigned to Altria Client Services LLC (Richmond, Va.).
"Method of making e-vaping cartridge with hydrogel in cavity" was invented by Munmaya K. Mishra (Manakin Sabot, Va.), Shaoyong Yu (Glen Allen, Va.), Raymond W. Lau (Glen Allen, Va.) and Pauline Marcq (Richmond, Va.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The method includes establishing a housing defining a first channel, the first channel having a first end and a second end, the first end of the channel being in communication with an air inlet that traverse through the housing, configuring a heater to heat a pre-vapor formulation to form a vapor within the firs...