ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,447,640, issued on Oct. 21, was assigned to GUANGZHOU WEIDI TECHNOLOGY Co. LTD. (Guangzhou, China).

"Razor" was invented by Zhijian Huang (Guangzhou, China), Sanhu Wang (Guangzhou, China) and Baoxian Guo (Guangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a shaving head of a razor with a cover body, a base and a blade. The cover body is provided with a cover plate arranged opposite to the base and partially covering the base, a blade slot is formed between the cover plate and the base. The base has at least a first side and a second side exposing outside the blade slot, in which the first side is provided with at least two firs...