ALEXANDRIA, Va., March 17 -- United States Patent no. 12,580,300, issued on March 17, was assigned to Starkey Laboratories Inc. (Eden Prairie, Minn.).

"Circular polarized spiral antenna for hearing assistance devices" was invented by Ezdeen Elghannai (Eden Prairie, Minn.), Christopher Young (Shorewood, Minn.), Stephen Paul Flood (Eden Prairie, Minn.), Inam Haque (Apple Valley, Minn.) and Karl Hilde (Minneapolis).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein, among other things, are apparatus and methods for a high-efficiency antenna for hearing assistance device wireless communication. In various embodiments, a hearing assistance device includes a housing, a power source within the housing, ...