ALEXANDRIA, Va., March 17 -- United States Patent no. 12,575,976, issued on March 17, was assigned to Recker Medical (Arlington, Va.).

"Urine quantifying bed pad" was invented by Bianca De (San Ramon, Calif.), Ian Christman (Buffalo, N.Y.), Jillian Gallagher (Boston), Brian Kolich (Aliquippa, Pa.), Yajnesh Vedanaparti (Philadelphia) and Toby Shen Zhu (Wildwood, Mo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An absorbent pad including a top layer. The top layer including a first sheet, the first sheet including an outward face and an inward face, wherein the first sheet comprises a wicking material, the first sheet further including a volume approximation grid having a plurality of fluid volume estimation...