ALEXANDRIA, Va., April 21 -- United States Patent no. 12,604,950, issued on April 21.

"Finger spinner ring" was invented by DaYing Huang (Dongguan City, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A finger spinner ring includes a rigid inner rolling ring and an outer flexible ring, the inner rolling ring includes an inner finger wearing ring having a finger passage and an outer ring element rotatably mounted on the inner finger wearing ring, wherein the outer flexible ring is detachably mounted on the outer ring element for being driven to rotate along with the outer ring element, wherein the outer ring element is located between the inner finger wearing ring and the outer flexible ring."

The paten...