ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,376,568, issued on Aug. 5.
"Refillable dog puzzle chew toy fabricated for powerful dog chewers" was invented by Daniel Evan Stein (Sewickley, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a refillable, multi-part, interactive, dog puzzle chew toy device designed for powerful dog chewers that is high strength, durable, impact resistant, long-lasting, dishwasher safe, and easy on a dog's teeth and gums. The device comprises an annular rotatable cap and a cylindrical body having a plurality of apertures therein. The cylindrical body of the device is configured to contain contents such as dog treats, dog or human food, oth...