ALEXANDRIA, Va., June 19 -- United States Patent no. 12,332,030, issued on June 17.
"Feedback device for ejecting items upon hitting target surface" was invented by Jinxi Chen (Shantou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A feedback device which ejects items upon hitting target surface is provided, including a target body, a bull's-eye, a flagpole, a first spring, and a second spring. The target body has an installation cavity, and an installation hole is provided at the center of the front face of the target body. The bull's-eye is configured to be telescopically movable within the installation cavity and extends through the installation hole. The flagpole is also configured to be telescopi...