ALEXANDRIA, Va., May 19 -- United States Patent no. 12,629,605, issued on May 19.

"Pen for planting spherical beads" was invented by Shuo Zhang (Shantou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a pen for planting spherical beads. A hollow hole is formed in a lower end of a pen body. A jacking rod vertically extending in a downward direction and a vertical sliding component are under the pen body. A cavity is formed inside the vertical sliding component, a bead inlet hole is formed on the top of the cavity, a bead outlet hole is formed in the bottom of the cavity, the bottom of the vertical sliding component is inclined, and the bead outlet hole is positioned at the lowest end of the...