ALEXANDRIA, Va., July 28 -- United States Patent no. 12,691,671, issued on July 28, was assigned to Merit Medical Systems Inc. (South Jordan, Utah).

"Rotational spun material covered medical appliances and methods of manufacture" was invented by John William Hall (North Salt Lake, Utah), Zeke Eller (Plano, Texas), Robert S. Kellar (Flagstaff, Ariz.), Rachel Lynn Oberg (Bountiful, Utah), Bart Dolmatch (Palo Alto, Calif.), Wayne Mower (Bountiful, Utah) and Robert J. Radford (Freemont, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A medical appliance or prosthesis may comprise one or more layers of rotational spun nanofibers, including rotational spun polymers. The rotational spun material may comprise ...