ALEXANDRIA, Va., March 31 -- United States Patent no. 12,588,703, issued on March 31, was assigned to SHENZHEN SMOORE TECHNOLOGY Ltd. (Shenzhen, China).

"Electronic atomization device and atomizer thereof" was invented by Jianguang Zhou (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vaporizer includes: a liquid storage tube, an inner side wall of the liquid storage tube defining a liquid storage cavity for storing a vaporizable liquid substrate; a sleeve arranged in the liquid storage cavity, an accommodating cavity being arranged in the sleeve, the sleeve having a first surface and a second surface adjacent to the first surface in a circumferential direction, and at least one liquid guidi...