ALEXANDRIA, Va., July 9 -- United States Patent no. 12,349,781, issued on July 8.

"Toy hairpin with reasonable structure and toy hairpin wearing device" was invented by Liangxiong Cai (Shantou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A toy hairpin with a reasonable structure comprises a decoration unit, and a clamping unit disposed at the bottom of the decoration unit and comprising a passive clamping part and an active clamping part. A positioning groove is formed between outer surfaces of the decoration unit and the clamping unit. A toy hairpin wearing device for the toy hairpin comprises a positioning plate and a wearing plate. Left ends of the wearing plate and the positioning plate are hing...