ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,440, issued on Sept. 23, was assigned to Wuhan Shernbao Pet Products Manufacturing Co. Ltd. (Wuhan, China).
"Electric hair clipper with a hair suction function" was invented by Lei Li (Nanchang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electric hair clipper with a hair suction function, which comprises a casing, a cutter head component, a battery component, a motor component and a control board; on the upper surface of the casing corresponding to its front end is a sagging installation part. On the rear side wall of the installation part is a hair suction inlet. At the rear end of the casing is a negative pressure loading port, and o...