ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,388, issued on Oct. 14, was assigned to HEIFENG ZHIZAO (SHENZHEN) TECHNOLOGY Co. LTD (Shenzhen, China).
"Tweezer part for visual ear pick" was invented by Bicheng Dai (Guangdong, China), Yichun Lu (Guangdong, China) and Geyan Yu (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to the technical field of visual ear picks. By the arrangement of the driving portion and the straight tube portion, the driving portion is assembled on the visual ear pick. One end of the straight tube portion is connected to the driving portion; and the straight tube portion movably sleeves the visual ear pick, so that the drivin...