ALEXANDRIA, Va., May 26 -- United States Patent no. 12,640,241, issued on May 26, was assigned to Fresenius Medical Care Holdings Inc. (Waltham, Mass.).

"Systems and methods for determining patient hospitalization risk and treating patients" was invented by Andrew W. Long (Brookline, Mass.), Thomas C. Blanchard (Somerville, Mass.), Len Usvyat (Boston), Hernando G. Garza (Concord, Calif.), Jodi Conti (Lakeway, Texas), Cara S. Gallagher (Leander, Texas), Joanna L. Willetts (Framingham, Mass.), Hao Han (Lexington, Mass.), Sheetal Chaudhuri (Arlington, Mass.) and Franklin W. Maddux (Lincoln, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method for determining patient hospitalization risk and ...