US Patent Issued to Radio Systems on June 23 for "Self-cleaning litter box" (Tennessee Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,660,789, issued on June 23, was assigned to Radio Systems Corp. (Knoxville, Tenn.).

"Self-cleaning litter box" was invented by Jason Richard Graves (Knoxville, Tenn.), Cody Stricklin (Knoxville, Tenn.), Feng Liu (Knoxville, Tenn.) and Robert A. Nytko (Knoxville, Tenn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosed system, methods, and apparatus relates to a self-cleaning litter box. The self-cleaning litter box includes a movable rake. A mechanism controlling the rake can allow for control of the forward/reverse position, the vertical position, and the rotation of the rake using a different path of travel for the forward and reverse traver...