ALEXANDRIA, Va., June 9 -- United States Patent no. 12,285,331, issued on April 29, was assigned to Foldax Inc. (Salt Lake City) and California Institute of Technology (Pasadena, Calif.).

"Systems, devices, and methods relating to the manufacture of implantable prosthetic valves" was invented by Garrett Johnson (Costa Mesa, Calif.), Jason G. Beith (Santa Ana, Calif.), Marek Lhotak (Irvine, Calif.), Praveen De Silva (Irvine, Calif.), Peter Millson (Salt Lake City), Francis P. Maguire (Salt Lake City) and Morteza Gharib (Altadena, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Improved prosthetic valves, their methods of manufacture, and systems and devices for manufacturing the valves are described. Th...