ALEXANDRIA, Va., April 15 -- United States Patent no. 12,599,481, issued on April 14, was assigned to 4C Medical Technologies Inc. (Maple Grove, Minn.).

"Systems, methods and devices for delivery systems, methods and devices for implanting prosthetic heart valves" was invented by Jeffrey W. Chambers (Maple Grove, Minn.), Gregory G. Brucker (Minneapolis), Joseph P. Higgins (Minnetonka, Minn.), Saravana B. Kumar (Minnetonka, Minn.), Jason S. Diedering (Minneapolis), Karl A. Kabarowski (Maple Grove, Minn.), Robert J. Thatcher (Blaine, Minn.), James E. Flaherty (Minnetonka, Minn.) and Jeffrey R. Stone (Minnetonka, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of delivery systems, devices and m...