ALEXANDRIA, Va., March 17 -- United States Patent no. 12,575,538, issued on March 17.

"Pet waste management device and method of use" was invented by Karen Angelucci (Lexington, Ky.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pet waste management device for hygienic litter-free management of pet waste includes a mat, which is positionable in a litter box. The mat comprises a panel, which has upper and a lower faces and a perimeter. The panel substantially covers a bottom of the litter box and is impermeable to liquid bodily waste that is excreted by a pet. A pad is attached to the upper face of the panel. The pad is absorbent and thus absorbs the liquid bodily waste. A plurality of fibers is attached to...