ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,225,941, issued on Feb. 18, was assigned to JUUL Labs Inc. (San Francisco).

"Cartridge for a vaporizer device" was invented by Ariel Atkins (San Francisco), Christopher L. Belisle (Somerset, Wis.), Steven Christensen (Burlingame, Calif.), Alexander M. Hoopai (San Francisco), Eric Joseph Johnson (San Francisco), Jason King (San Francisco), Esteban Leon Duque (Berkeley, Calif.), Matthew Rios (San Francisco), Christopher James Rosser (Cambridge, Great Britain), Andrew J. Stratton (Royston, Great Britain), Alim Thawer (Cambridge, Great Britain) and James P. Westley (Cambridge, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vaporization devic...