ALEXANDRIA, Va., June 9 -- United States Patent no. 12,285,349, issued on April 29, was assigned to YACCA MEDICAL (SHENZHEN) Co. LTD. (Shenzhen, China).

"Lumbar support belt" was invented by Yue Guo (Shenzhen, China), Jianlong Yao (Shenzhen, China) and Ling Bai (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lumbar support belt includes a back belt, a first waist belt, a second waist belt, and a tightening mechanism. The first waist belt and the second waist belt are connected to two ends of the back belt, respectively, to wrap around the waist and the abdomen of a user. The back belt is a plastic support board. The first waist belt includes a first front part and the second waist belt incl...