ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,419,375, issued on Sept. 23, was assigned to CONWELL MEDICAL Co. LTD. (Taichung, Taiwan).
"Lumbar support belt" was invented by Chien-Cheng Chen (Taichung, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lumbar support belt includes a backing plate, two belt bodies, and a tightening part. The backing plate includes at least one sliding channel. The two belt bodies are respectively connected to a left side and a right side of the backing plate. Each belt body has multiple routing portions and at least one sliding wheel disposed in the at least one sliding channel. The tightening part wraps around the routing portions of the two belt bodies to co...