ALEXANDRIA, Va., June 16 -- United States Patent no. 12,654,981, issued on June 16, was assigned to Shenzhen Cirrus Innovation Technology Co. Ltd (Shenzhen, China).
"Wire take-up device" was invented by Minggui Wu (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A wire take-up device includes a shell having an internal cavity. The internal cavity is correspondingly provided with a wire take-up mechanism and a power transmission mechanism; the power transmission mechanism includes a movable plate member and a stationary plate member; the movable plate member is rotatably in electrical contact with the stationary plate member; a connector on the stationary plate member has a conductive contact f...