ALEXANDRIA, Va., May 5 -- United States Patent no. 12,616,185, issued on May 5, was assigned to Zhejiang Xiaozheng Technology Co. Ltd. (Ningbo, China).

"Aromatherapy mosquito killer" was invented by Lingling Lyu (Ningbo, China), Jun Zheng (Ningbo, China) and Yuanai Ning (Ningbo, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aromatherapy mosquito killer includes a shell with a light chamber, a fan chamber and a mosquito killing chamber provided therein, a light module arranged in the light chamber for emitting light outwardly, a fan arranged in the fan chamber, and an aromatherapy box arranged in the mosquito killing chamber for collecting mosquitoes and storing aromatherapy. Airflow holes are defin...