ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,484,552, issued on Dec. 2, was assigned to Shenzhen Aoqun Intelligent Manufacturing Technology Co. Ltd. (Shenzhen, China).
"Snack puzzle dog toy" was invented by Mengfan Ruan (Ji' an, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure discloses a snack puzzle dog toy and relates to the field of pet toys. The snack puzzle dog toy includes a base, where a base plate is arranged along the circumference at a lower part of the base. A food container is arranged in the base in up-and-down slide fit, and the base plate is provided with a side press button for driving the food container to slide up and down. The food container is provided with f...