ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,446,672, issued on Oct. 21, was assigned to SHENZHEN GMT-PCBA TECHNOLOGY Co. LTD. (Shenzhen, China).
"Hair curling iron" was invented by Ren Zhong (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hair curling iron relating to the field of hairdressing devices is provided, which includes a handle and a hair curling component having a plurality of specifications and detachably connected to the handle. The handle includes a housing, a driving component disposed in the housing, and a rotating component of which one end rotates in the housing. A working end of the driving component is connected to the rotating component, one end of the hair ...