ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,778,258, issued on Nov. 3, was assigned to Thumbs Up Innovations Technology Co. Ltd. (Zhuhai, China).
"Hairdressing device" was invented by Jiacheng Huang (Zhuhai, China), Lilin Xu (Zhuhai, China) and Xiu Zou (Zhuhai, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hairdressing device includes a handle and a hairdressing head. The handle is equipped with a first circuit board, a driving mechanism, and a connecting component. The hairdressing head is detachably connected to the connecting component. The connecting component is connected to the driving mechanism. The driving mechanism is electrically connected to the first circuit board. The hairdre...