ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,419,272, issued on Sept. 23, was assigned to Furhaven Pet Products Inc. (Bellingham, Wash.).

"Pet structures with integrated pet toy" was invented by Merve Candemir (Bellingham, Wash.), Kelsey Kimmel (Bellingham, Wash.), Jaynie Gablehouse (Bellingham, Wash.), Eric Heilborn (Bellingham, Wash.) and Claire Longcope (Bellingham, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pet structure comprising a support structure, first and second track members, a spacer, and a track ball. The support structure comprises a rod member. The first and second track members are adapted to be supported by the support structure. Each track member defines a support o...