ALEXANDRIA, Va., July 14 -- United States Patent no. 12,683,337, issued on July 14, was assigned to SAMSUNG ELECTRONIC Co. LTD. (Gyeonggi-Do, South Korea).
"Adapter capable of protective grounding" was invented by Jaesub Youn (Suwon-si, South Korea), Minhyung Yoo (Suwon-si, South Korea) and Jinseock Lee (Suwon-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An adapter includes a housing, a pair of pins connected to the housing, a switch connected to the housing to be translationally movable relative to the housing and including at least a portion exposed to an outside of the housing, a main shaft fixed to an inside of the housing, at least one wing plate rotatably connected to the main shaft a...