ALEXANDRIA, Va., July 30 -- United States Patent no. 12,370,088, issued on July 29, was assigned to HEIFENG ZHIZAO (SHENZHEN) TECHNOLOGY Co. LTD (Shenzhen, China).
"Ear canal care device" was invented by Bicheng Dai (Guangdong, China), Yichun Lu (Guangdong, China), Kunsheng Chen (Guangdong, China), Shihong Wang (Guangdong, China) and Geyan Yu (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An ear canal care device includes a shell assembly, a control assembly, a visual assembly, a connecting assembly and an accessory assembly. The shell assembly includes an outer shell with a first accommodating chamber and a first mounting frame arranged in the first accommodating chamber. The first mountin...