ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,470,881, issued on Nov. 11, was assigned to Starkey Laboratories Inc. (Eden Prairie, Minn.).
"Hearing assistance device" was invented by Jay M. Stewart (Eden Prairie, Minn.), Westley G. Gentry (Buffalo, Minn.), Michael K. Sacha (Chanhassen, Minn.) and Craig C. Feldsien (Prior Lake, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Various embodiments of a hearing assistance device and a method of forming such device are disclosed. The device includes a housing having a shell and a frame disposed at least partially within the shell. An inner surface of the shell and at least a portion of the frame define a void. Further, an indentation hardness value ...