ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,527,713, issued on Jan. 20.
"Massage roller" was invented by Yiming Gao (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A massage roller includes an outer massage wheel and an inner support, wherein the outer massage wheel is sleeved on the inner support and has a spine groove for protecting a spine of a user, the outer massage wheel has an inner circumferential engaging surface, the inner support has an outer circumferential mating surface, wherein the inner circumferential engaging surface is attached and engaged with the outer circumferential mating surface of the inner support without a glue applied between the outer massage wheel a...