ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,543,778, issued on Feb. 10, was assigned to Altria Client Services LLC (Richmond, Va.).
"Smoking article" was invented by Ryan Daniel Selby (Vancouver, Canada) and Ryan Karkairan (Vancouver, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "An improved, cleaner functioning smoking article is provided, comprising a aerosol forming substrate engineered to include airflow channels. Features include a hollow tube, which may be comprised of various materials, including the material for vaporization itself, within the engineered material, such as tobacco, for efficient vaporization. Other features include a hollow, inverted cone to permit air ingress in a...