US Patent Issued on March 18 for "Binder capable of turning paper by 360 degrees" (Chinese Inventor)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,958, issued on March 18.

"Binder capable of turning paper by 360 degrees" was invented by Zuling Li (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A binder capable of turning paper by 360 degrees comprises a main body and at least one retaining ring, the main body has a length and a width extending along the axial direction, the main body defines a main body plane along the length and the direction of the width; the retaining rings are distributed along the length and form a fixed connection with the main body; it comprises base points, which extend away from the main body plane to form an upper free end and a fixed end; after exte...