ALEXANDRIA, Va., June 19 -- United States Patent no. 12,329,708, issued on June 17.
"Handheld roller" was invented by Suge Lin (Lufeng, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A handheld roller includes at least two roller assemblies, two end covers and a connecting shaft. The roller assemblies have first ends and second ends, and the first ends and the second ends of the roller assemblies are both provided with connecting portions. The end covers are provided with rotating shaft holes, one end cover is covered at the first end of each roller assembly, and the other end cover is covered at the second end of each roller assembly. A connecting end of the connecting shaft passes through the rotatin...