ALEXANDRIA, Va., July 16 -- United States Patent no. 12,667,464, issued on June 30, was assigned to Howmedica Osteonics Corp. (Mahwah, N.J.).

"Advanced trial spacers, height measuring tool, and inserter and extractor handle" was invented by Shashank Verma (Agra, India), Rajan Yadav (New Delhi), Roy Philip Splieth (Central Valley, N.Y.), Matt Kartholl (Fort Wayne, Ind.), Travis Geels (Fort Wayne, Ind.), Brad Parker (Warsaw, Ind.), Doug Garman (Fort Wayne, Ind.), Anthony Andreas (Columbia City, Ind.) and Amith Nayak (Great Meadows, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A trial humeral prosthesis may include a trial stem for implantation into a humerus, and a trial proximal body configured to coup...