ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,074, issued on Feb. 10.
"Electric defroster" was invented by You Yang (Zhejiang, China) and Hu Lu (Zhejiang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention discloses an electric defroster, comprising a housing with a handle; a working wheel rotatably connected with housing and at least partially protrudes out of the surface of the housing, scraping pieces extending along the axial direction is arranged on the surface of the working wheel, and a power mechanism used for driving the working wheel to rotate relative to the housing; scraping pieces rotate in the circumferential direction to scrape ice. The invention utilizes the work...