ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,447,096, issued on Oct. 21, was assigned to GUANGDONG TRANSCONTINENTAL TECHNOLOGY Co. LTD. (Guangzhou, China).
"Massage roller" was invented by Hong Zhou (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A massage roller includes a polygonal main body and a protruding massage part. The protruding massage part is connected to the polygonal main body, and the protruding massage part is arranged around a circumference of the polygonal main body. Due to the arrangement of the protruding massage part around the circumference of the polygonal main body, the polygonal main body is capable of continuously massaging and relaxing a user's body part...