ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,222,417, issued on Feb. 11.

"Radio frequency life detection radar system" was invented by Hossein Ghaffari Nik (Fairfax, Va.) and Desmond A. Fraser (Oak Hill, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Trapped or confined individuals may be located and rescued by detecting their movement using reflected, radio frequency signals over a range of multiple antenna polarities."

The patent was filed on July 26, 2022, under Application No. 17/873,608.

*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1...