ALEXANDRIA, Va., March 3 -- United States Patent no. 12,564,767, issued on March 3, was assigned to NANTONG GEMKAL TECH Co. LTD (Nantong, China) and NANTONG HAWK FITNESS&SPORTS Co. LTD (Nantong, China).
"Movable ball chair" was invented by Fangfeng Mei (Nantong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a movable ball chair, including an elastic ball and a support frame, wherein the support frame includes a plurality of connecting tubes bent downward and a plurality of supporting tubes bent upward, the supporting tubes and adjacent connecting tubes are connected end to end to form a three-dimensional closed loop in a manner that the included angles between planes of...