ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,466,053, issued on Nov. 11.
"Hand tool with function of preventing electric shock" was invented by Tai-Hung Chen (Chang-Hwa, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hand tool with a function of preventing electronic shock includes a tool body, a basic insulation layer and a skidproof insulation layer. The basic insulation layer is formed on the tool body and has holes exposing a part of the tool body. The skidproof insulation layer is formed on the basic insulation layer to cover the holes. Annular protrusions are formed on the outer surface of the basic insulation layer or the inner surface of the skidproof insulation layer and are clos...