US Patent Issued to Altria Client Services on Dec. 23 for "Electronic vaping device having formulation level indicator" (Virginia Inventors)

ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,502,496, issued on Dec. 23, was assigned to Altria Client Services LLC (Richmond, Va.).

"Electronic vaping device having formulation level indicator" was invented by Terrance Theodore Bache (Richmond, Va.), Christopher S. Tucker (Midlothian, Va.) and Raymond W. Lau (Richmond, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The e-vaping device includes a vaporizer assembly, which includes a heating element, a pre-vapor formulation reservoir, a pre-vapor formulation level indicator including a plurality of discrete indicator segments, and at least one processor. The pre-vapor formulation reservoir may be configured to contain a pre-vapor formulation an...