US Patent Issued to Dongguan Shichang Metals Factory on May 19 for "Folding chair" (Chinese Inventor)

ALEXANDRIA, Va., May 19 -- United States Patent no. 12,628,954, issued on May 19, was assigned to Dongguan Shichang Metals Factory Ltd. (China).

"Folding chair" was invented by Yumin Wang (Dongguan City, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A folding chair is disclosed, which includes a front leg tube, a rear leg tube, a backrest and a seat. The front leg tube is linked with the rear leg tube through connection pieces. The backrest is arranged on the front leg tube. One or more washers are arranged on the front leg tube and/or the rear leg tube. The length of an edge of a curved bottom of the one or more washers is not greater than 50% of the perimeter of the front leg tube or the rear leg tu...