ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,453,332, issued on Oct. 28, was assigned to BRILLIANT PET 2 LLC (Chicago).
"Pet waste cartridge" was invented by Alan J. Cook (Chicago), Thomas E Devlin (Winchester, Mass.) and Kris W. Grube (Bloomington, Ind.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A waste cartridge in combination with a waste machine or apparatus that maintains waste pads for a pet owner, automatically or manually by removing and sealing soiled pads and waste and then replacing the soiled pad with a clean pad on a pet bed of the machine. The apparatus senses when a pet is using a waste pad portion and when the pet is finished, the machine takes up the soiled portion of the pad ...