ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,472, issued on June 23, was assigned to F3 BIODESIGNS LLC (San Antonio).

"Neck-mount powered respirator" was invented by Francis Palma Fabrigas (San Antonio).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to neck-mount powered respirators and methods of use. The respirators comprise an air handler, a temple rail, and a shoulder rail that fits around the back of the neck and over the shoulders of the wearer. The air handler is either positioned behind the neck of the wearer or integrated into a hollow shoulder rail. The temple rail is hollow and sized to fit snugly around the back of the head and contact with the temples ...