ALEXANDRIA, Va., June 17 -- United States Patent no. 12,310,416, issued on May 27, was assigned to HUIZHOU HAPPY VAPING TECHNOLOGY Ltd. (Huizhou, China).

"Electronic cigarette having electronic child lock and controlling method thereof" was invented by Guangrong Lin (Guangdong, China), Xianbin Zheng (Guangdong, China) and Xiyong Zhang (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure provides an electronic cigarette having an electronic child lock and a control method thereof. The electronic cigarette comprises a vaporizer, a battery assembly, and an electronic child lock for controlling power-on and power-off of the electronic cigarette. The battery assembly comprises a battery...