ALEXANDRIA, Va., March 31 -- United States Patent no. 12,588,648, issued on March 31, was assigned to Radio Systems Corp. (Knoxville, Tenn.).
"Disposable litter tray" was invented by Marc Brush (Knoxville, Tenn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pet litter tray includes a main housing, a pair of oppositely disposed side flaps, and a pair of oppositely disposed end flaps. The main compartment has an interior space and an open top or top opening. The main compartment has a generally planar, rectangular floor, two oppositely disposed side walls, and two oppositely disposed end walls. Each end flap has an elongated tab mounting slot. Each side flap has a first portion extending from the side wall ...